test-repo/website/index.html

<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <title>Prettier</title>

    <link rel="manifest" href="/manifest.json" />

    <meta name="mobile-web-app-capable" content="yes" />
    <meta name="apple-mobile-web-app-capable" content="yes" />
    <meta name="application-name" content="Prettier" />
    <meta name="apple-mobile-web-app-title" content="Prettier" />
    <meta name="theme-color" content="#1a2b34" />
    <meta name="msapplication-navbutton-color" content="#1a2b34" />
    <meta
      name="apple-mobile-web-app-status-bar-style"
      content="black-translucent"
    />
    <meta name="msapplication-starturl" content="/" />
    <meta
      name="viewport"
      content="width=device-width, initial-scale=1, shrink-to-fit=no"
    />

    <link rel="icon" href="/icon.png" />
    <link rel="apple-touch-icon" href="/icon.png" />

    <link rel="stylesheet" href="./playground/playground.css" />

    <!-- Google tag (gtag.js) -->
    <script
      async
      src="https://www.googletagmanager.com/gtag/js?id=G-T57CP1SG02"
    ></script>
    <script>
      window.dataLayer = window.dataLayer || [];
      function gtag() {
        dataLayer.push(arguments);
      }
      gtag("js", new Date());
      gtag("config", "G-T57CP1SG02");
    </script>
  </head>

  <body>
    <div id="root" class="playground-container"></div>

    <script type="module" src="./playground/index.jsx"></script>
  </body>
</html>