samples/index.html

<!DOCTYPE html>
<html lang="en-US">
  <head>
    <title>Web Chat samples</title>
    <script crossorigin="anonymous" src="https://unpkg.com/core-js@2/client/core.min.js"></script>
    <script crossorigin="anonymous" src="https://unpkg.com/markdown-it/dist/markdown-it.min.js"></script>
    <script crossorigin="anonymous" src="https://unpkg.com/whatwg-fetch"></script>
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1" />
    <link rel="stylesheet" href="index.css" />
  </head>
  <body>
    <script>
      'use strict';

      fetch('README.md')
        .then(function(res) {
          return res.text();
        })
        .then(function(markdown) {
          const element = document.createElement('div');

          element.innerHTML = window.markdownit().render(markdown);
          document.body.appendChild(element);
        });
    </script>
  </body>
</html>