AG-195 Create react example using grouped data

src-grouped/index.js

@@ -0,0 +1,18 @@
+'use strict';
+
+import ReactDOM from 'react-dom';
+import React from 'react';
+import MyApp from './myApp.jsx';
+// is there a better way of doing this?
+import 'ag-grid-root/dist/styles/ag-grid.css';
+import 'ag-grid-root/dist/styles/theme-fresh.css';
+
+// waiting for dom to load before booting react. we could alternatively
+// put the index.js reference at the end fo the index.html, but i prefer this way.
+document.addEventListener('DOMContentLoaded', ()=> {
+    var container = document.getElementById('myAppContainer');
+    ReactDOM.render(
+        React.createElement(MyApp),
+        container
+    );
+});