start . me .
Directory path . web , gh , raytracer-original .

HTML Document File : raytracer.html 

<html>

<head>
    <title>Raytracer</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>

<body>
    <div>
        <ul>
            <li><a href="README.txt">READ ME</a></li>
            <li><a href="https://arkenidar.github.io/raycache/raytracer/raytracer.html">raycache</a></li>
        </ul>
    </div>
    <script src="raytracer.js"></script>
</body>

</html>