diff --git a/example/package-lock.json b/example/package-lock.json
index cbe30ab..acb6ffa 100644
--- a/example/package-lock.json
+++ b/example/package-lock.json
@@ -3085,7 +3085,8 @@
             "ansi-regex": {
               "version": "2.1.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -3106,12 +3107,14 @@
             "balanced-match": {
               "version": "1.0.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "brace-expansion": {
               "version": "1.1.11",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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@@ -3126,17 +3129,20 @@
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               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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               "version": "0.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -3253,7 +3259,8 @@
             "inherits": {
               "version": "2.0.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -3265,6 +3272,7 @@
               "version": "1.0.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "number-is-nan": "^1.0.0"
               }
@@ -3279,19 +3287,16 @@
               "version": "3.0.4",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "brace-expansion": "^1.1.7"
               }
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-            "minimist": {
-              "version": "0.0.8",
-              "bundled": true,
-              "dev": true
-            },
             "minipass": {
               "version": "2.3.5",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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                 "yallist": "^3.0.0"
@@ -3306,14 +3311,6 @@
                 "minipass": "^2.2.1"
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-              "bundled": true,
-              "dev": true,
-              "requires": {
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-              }
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@@ -3390,7 +3387,8 @@
             "number-is-nan": {
               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -3402,6 +3400,7 @@
               "version": "1.4.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "wrappy": "1"
               }
@@ -3450,14 +3449,6 @@
                 "ini": "~1.3.0",
                 "minimist": "^1.2.0",
                 "strip-json-comments": "~2.0.1"
-              },
-              "dependencies": {
-                "minimist": {
-                  "version": "1.2.0",
-                  "bundled": true,
-                  "dev": true,
-                  "optional": true
-                }
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@@ -3487,7 +3478,8 @@
             "safe-buffer": {
               "version": "5.1.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
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@@ -3523,6 +3515,7 @@
               "version": "1.0.2",
               "bundled": true,
               "dev": true,
+              "optional": true,
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@@ -3542,6 +3535,7 @@
               "version": "3.0.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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               }
@@ -3585,12 +3579,14 @@
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               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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               "version": "3.0.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
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@@ -6847,7 +6843,8 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -6868,12 +6865,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -6888,17 +6887,20 @@
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           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -7015,7 +7017,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -7027,6 +7030,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -7041,19 +7045,16 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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           }
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-        "minimist": {
-          "version": "0.0.8",
-          "bundled": true,
-          "dev": true
-        },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -7068,14 +7069,6 @@
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-        "mkdirp": {
-          "version": "0.5.1",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "minimist": "0.0.8"
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         "ms": {
           "version": "2.0.0",
           "bundled": true,
@@ -7152,7 +7145,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -7164,6 +7158,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -7212,14 +7207,6 @@
             "ini": "~1.3.0",
             "minimist": "^1.2.0",
             "strip-json-comments": "~2.0.1"
-          },
-          "dependencies": {
-            "minimist": {
-              "version": "1.2.0",
-              "bundled": true,
-              "dev": true,
-              "optional": true
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@@ -7249,7 +7236,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "2.1.2",
@@ -7285,6 +7273,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -7304,6 +7293,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -7347,12 +7337,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "yallist": {
           "version": "3.0.2",
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -7540,15 +7532,16 @@
       "dev": true
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-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.1.0.tgz",
-      "integrity": "sha512-l2jRuU1NAWK6AW5qqcTATWQJvNPEwkM7NEKSiv/gqOsoSQbVoWyqVEY5GS+XPQ88zLNmqASRpzfdm8d79hJS+w==",
+      "version": "4.7.7",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.7.tgz",
+      "integrity": "sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==",
       "dev": true,
       "requires": {
-        "async": "^2.5.0",
-        "optimist": "^0.6.1",
+        "minimist": "^1.2.5",
+        "neo-async": "^2.6.0",
         "source-map": "^0.6.1",
-        "uglify-js": "^3.1.4"
+        "uglify-js": "^3.1.4",
+        "wordwrap": "^1.0.0"
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@@ -9793,19 +9786,19 @@
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-      "resolved": "https://registry.npmjs.org/loader-fs-cache/-/loader-fs-cache-1.0.1.tgz",
-      "integrity": "sha1-VuC/CL2XCLJqdltoUJhAyN7J/bw=",
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/loader-fs-cache/-/loader-fs-cache-1.0.3.tgz",
+      "integrity": "sha512-ldcgZpjNJj71n+2Mf6yetz+c9bM4xpKtNds4LbqXzU/PTdeAX0g3ytnU1AJMEcTk2Lex4Smpe3Q/eCTsvUBxbA==",
       "dev": true,
       "requires": {
         "find-cache-dir": "^0.1.1",
-        "mkdirp": "0.5.1"
+        "mkdirp": "^0.5.1"
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       "dependencies": {
         "find-cache-dir": {
           "version": "0.1.1",
           "resolved": "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-0.1.1.tgz",
-          "integrity": "sha1-yN765XyKUqinhPnjHFfHQumToLk=",
+          "integrity": "sha512-Z9XSBoNE7xQiV6MSgPuCfyMokH2K7JdpRkOYE1+mu3d4BFJtx3GW+f6Bo4q8IX6rlf5MYbLBKW0pjl2cWdkm2A==",
           "dev": true,
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@@ -9816,7 +9809,7 @@
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-          "integrity": "sha1-ay6YIrGizgpgq2TWEOzK1TyyTQ8=",
+          "integrity": "sha512-jvElSjyuo4EMQGoTwo1uJU5pQMwTW5lS1x05zzfJuTIyLR3zwO27LYrxNg+dlvKpGOuGy/MzBdXh80g0ve5+HA==",
           "dev": true,
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@@ -9826,7 +9819,7 @@
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-          "integrity": "sha1-D+tsZPD8UY2adU3V77YscCJ2H0s=",
+          "integrity": "sha512-yTltuKuhtNeFJKa1PiRzfLAU5182q1y4Eb4XCJ3PBqyzEDkAZRzBrKKBct682ls9reBVHf9udYLN5Nd+K1B9BQ==",
           "dev": true,
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@@ -9835,7 +9828,7 @@
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           "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-1.0.0.tgz",
-          "integrity": "sha1-ektQio1bstYp1EcFb/TpyTFM89Q=",
+          "integrity": "sha512-c6pv3OE78mcZ92ckebVDqg0aWSoKhOTbwCV6qbCWMk546mAL9pZln0+QsN/yQ7fkucd4+yJPLrCBXNt8Ruk+Eg==",
           "dev": true,
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@@ -10211,9 +10204,9 @@
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-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+      "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==",
       "dev": true
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@@ -10274,20 +10267,12 @@
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-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
-      "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+      "version": "0.5.6",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.6.tgz",
+      "integrity": "sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==",
       "dev": true,
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-        "minimist": {
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-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
-          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
-          "dev": true
-        }
+        "minimist": "^1.2.6"
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     "move-concurrently": {
@@ -10720,30 +10705,6 @@
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-      "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
-      "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
-      "dev": true,
-      "requires": {
-        "minimist": "~0.0.1",
-        "wordwrap": "~0.0.2"
-      },
-      "dependencies": {
-        "minimist": {
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-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
-          "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=",
-          "dev": true
-        },
-        "wordwrap": {
-          "version": "0.0.3",
-          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-          "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
-          "dev": true
-        }
-      }
-    },
     "optimize-css-assets-webpack-plugin": {
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       "resolved": "https://registry.npmjs.org/optimize-css-assets-webpack-plugin/-/optimize-css-assets-webpack-plugin-5.0.1.tgz",
@@ -13752,6 +13713,7 @@
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+      "dev": true,
       "requires": {
         "loose-envify": "^1.4.0",
         "object-assign": "^4.1.1",
@@ -13961,14 +13923,12 @@
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-      "version": "16.8.2",
-      "resolved": "https://registry.npmjs.org/react/-/react-16.8.2.tgz",
-      "integrity": "sha512-aB2ctx9uQ9vo09HVknqv3DGRpI7OIGJhCx3Bt0QqoRluEjHSaObJl+nG12GDdYH6sTgE7YiPJ6ZUyMx9kICdXw==",
+      "version": "17.0.2",
+      "resolved": "https://registry.npmjs.org/react/-/react-17.0.2.tgz",
+      "integrity": "sha512-gnhPt75i/dq/z3/6q/0asP78D0u592D5L1pd7M8P+dck6Fu/jJeL6iVVK23fptSUZj8Vjf++7wXA8UNclGQcbA==",
       "requires": {
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-        "object-assign": "^4.1.1",
-        "prop-types": "^15.6.2",
-        "scheduler": "^0.13.2"
+        "object-assign": "^4.1.1"
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@@ -14106,14 +14066,13 @@
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-      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-16.8.2.tgz",
-      "integrity": "sha512-cPGfgFfwi+VCZjk73buu14pYkYBR1b/SRMSYqkLDdhSEHnSwcuYTPu6/Bh6ZphJFIk80XLvbSe2azfcRzNF+Xg==",
+      "version": "17.0.2",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-17.0.2.tgz",
+      "integrity": "sha512-s4h96KtLDUQlsENhMn1ar8t2bEa+q/YAtj8pPPdIjPDGBDIVNsrD9aXNWqspUe6AzKCIG0C1HZZLqLV7qpOBGA==",
       "requires": {
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         "object-assign": "^4.1.1",
-        "prop-types": "^15.6.2",
-        "scheduler": "^0.13.2"
+        "scheduler": "^0.20.2"
       }
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     "react-error-overlay": {
@@ -14125,7 +14084,8 @@
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       "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.8.2.tgz",
-      "integrity": "sha512-D+NxhSR2HUCjYky1q1DwpNUD44cDpUXzSmmFyC3ug1bClcU/iDNy0YNn1iwme28fn+NFhpA13IndOd42CrFb+Q=="
+      "integrity": "sha512-D+NxhSR2HUCjYky1q1DwpNUD44cDpUXzSmmFyC3ug1bClcU/iDNy0YNn1iwme28fn+NFhpA13IndOd42CrFb+Q==",
+      "dev": true
     },
     "react-scripts": {
       "version": "2.1.5",
@@ -15349,9 +15309,9 @@
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-      "version": "0.13.2",
-      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.13.2.tgz",
-      "integrity": "sha512-qK5P8tHS7vdEMCW5IPyt8v9MJOHqTrOUgPXib7tqm9vh834ibBX5BNhwkplX/0iOzHW5sXyluehYfS9yrkz9+w==",
+      "version": "0.20.2",
+      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.20.2.tgz",
+      "integrity": "sha512-2eWfGgAqqWFGqtdMmcL5zCMK1U8KlXv8SQFGglL3CEtd0aDVDWgeF/YoCmvln55m5zSk3J/20hTaSBeSObsQDQ==",
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