app/index.html
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>BoutTime</title>
<link rel="stylesheet" href="styles/app.css">
</head>
<body>
<section id="react"></section>
<script src="scripts/app.js"></script>
</body>
</html>