sidebar/index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=400,user-scalable=no">
<link rel="stylesheet" href="style.css"/>
<link rel="stylesheet" href="react-treeview.css"/>
</head>
<body>
<div id="container"></div>
<script src="bundle.js"></script>
</body>
</html>