Add webpack to build package

packages/overreact/package.json

@@ -4,6 +4,9 @@
   "version": "0.1.0",
   "main": "dist/index",
   "license": "MIT",
+  "scripts": {
+    "build": "webpack"
+  },
   "dependencies": {
     "bluebird": "3.5.0",
     "json-stable-stringify": "*",
@@ -13,5 +16,9 @@
     "regenerator-runtime": "^0.13.2",
     "underscore": "^1.10.2",
     "uuid": "^3.3.3"
+  },
+  "devDependencies": {
+    "webpack": "^5.38.1",
+    "webpack-cli": "^4.7.2"
   }
 }

packages/overreact/webpack.config.js

@@ -0,0 +1,9 @@
+const path = require('path');
+
+module.exports = {
+    entry: './index.js',
+    output: {
+        path: path.resolve(__dirname, 'dist'),
+        filename: 'index.bundle.js',
+    },
+};