fix(a11y-buttons): build class as es5 class

Author: tiagoporto

packages/accessibility-buttons/tsconfig.json

@@ -0,0 +1,17 @@
+{
+  "compilerOptions": {
+    "target": "es2020",
+    "module": "ESNext",
+    "lib": ["DOM", "ES2020"],
+    "moduleResolution": "bundler",
+    "strict": true,
+    "outDir": "dist",
+    "rootDir": ".",
+    "skipLibCheck": true,
+    "noEmit": true,
+    "useDefineForClassFields": false,
+    "isolatedModules": true,
+    "resolveJsonModule": true
+  },
+  "include": ["**/*.ts"]
+}