Add no-trailing-spaces rule

Author: joeldodge79

.eslintrc.js

@@ -1,17 +1,18 @@
 module.exports = {
-    "env": {
-        "es6": true,
-        "node": true
-    },
-    "extends": "eslint:recommended",
-    "globals": {
-        "Atomics": "readonly",
-        "SharedArrayBuffer": "readonly"
-    },
-    "parserOptions": {
-        "ecmaVersion": 2018,
-        "sourceType": "module"
-    },
-    "rules": {
-    }
-};
+  env: {
+    es6: true,
+    node: true
+  },
+  extends: "eslint:recommended",
+  globals: {
+    Atomics: "readonly",
+    SharedArrayBuffer: "readonly"
+  },
+  parserOptions: {
+    ecmaVersion: 2018,
+    sourceType: "module"
+  },
+  rules: {
+    no-trailing-spaces: ["error"]
+  }
+};