added redux

src/components/app.js

@@ -0,0 +1,10 @@
+import React from 'react';
+import { Component } from 'react';
+
+export default class App extends Component {
+  render() {
+    return (
+      <div>Sample App</div>
+    );
+  }
+}

src/index.js

@@ -0,0 +1,12 @@
+import React from 'react';
+import { Provider } from 'react-redux';
+import ReactDOM from 'react-dom';
+import { createStore } from 'redux';
+
+import App from './components/app';
+
+ReactDOM.render(
+  <Provider store={createStore(() => {})}>
+    <App />
+  </Provider>
+  , document.getElementById('container'));

webpack.config.js

@@ -1,6 +1,6 @@
 module.exports = {
   entry: [
-    './src/main.js'
+    './src/index.js'
   ],
   output: {
     path: __dirname,