index.html

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8"/>
    <title>Hello React!</title>
</head>
<body>
<div id="app"></div>

<script src="https://static.parastorage.com/polyfill/v2/polyfill.js?features=default,es6,es7&flags=gated&unknown=polyfill" crossorigin></script>
<script src="https://static.parastorage.com/unpkg/react@16.3.2/umd/react.development.js" crossorigin></script>
<script src="https://static.parastorage.com/unpkg/react-dom@16.3.2/umd/react-dom.development.js" crossorigin></script>
<script src="https://static.parastorage.com/unpkg/lodash@4.17.4/lodash.js" crossorigin></script>
<script src="https://static.parastorage.com/unpkg/immutable@3.8.2/dist/immutable.js" crossorigin></script>
<script src="https://static.parastorage.com/unpkg/@wix/draft-js@0.10.115/dist/Draft.js" crossorigin></script>
</body>
</html>