Added the bare minimum React app JSX logic to render it inside the co…

…ntainer element.

webpack_in/entry.jsx

@@ -4,3 +4,10 @@


console.log("JSX entry logic.");


import React from 'react';
import ReactDOM from 'react-dom';


ReactDOM.render(<div>Hello!  I'm a React app!!</div>, document.getElementById('react-app'));