add build scripts

Author: copilot-fy-120

babel.config.js

@@ -0,0 +1,27 @@
+'use strict';
+
+module.exports = {
+  plugins: [
+    '@babel/plugin-syntax-jsx',
+    '@babel/plugin-transform-react-jsx',
+    '@babel/plugin-transform-flow-strip-types',
+    ['@babel/plugin-proposal-class-properties', {loose: true}],
+    'syntax-trailing-function-commas',
+    [
+      '@babel/plugin-proposal-object-rest-spread',
+      {loose: true, useBuiltIns: true},
+    ],
+    ['@babel/plugin-transform-template-literals', {loose: true}],
+    '@babel/plugin-transform-literals',
+    '@babel/plugin-transform-arrow-functions',
+    '@babel/plugin-transform-block-scoped-functions',
+    '@babel/plugin-transform-object-super',
+    '@babel/plugin-transform-shorthand-properties',
+    '@babel/plugin-transform-computed-properties',
+    '@babel/plugin-transform-for-of',
+    ['@babel/plugin-transform-spread', {loose: true, useBuiltIns: true}],
+    '@babel/plugin-transform-parameters',
+    ['@babel/plugin-transform-destructuring', {loose: true, useBuiltIns: true}],
+    ['@babel/plugin-transform-block-scoping', {throwIfClosureRequired: true}],
+  ],
+};