web/index.html

<!DOCTYPE html>
<html>
<head>
    <!--
      If you are serving your web app in a path other than the root, change the
      href value below to reflect the base path you are serving from.

      The path provided below has to start and end with a slash "/" in order for
      it to work correctly.

      Fore more details:
      * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base
    -->
    <base href="/">

    <meta charset="UTF-8">
    <meta content="IE=Edge" http-equiv="X-UA-Compatible">
    <meta name="description" content="ChatBot fuer deine Gesundheit!">

    <!-- iOS meta tags & icons -->

    <link rel="icon" type="image/png" sizes="32x32" href="/favicon.png">
    <title>MediBot</title>
    <link rel="manifest" href="manifest.json">
</head>
<body>
<!-- This script installs service_worker.js to provide PWA functionality to
     application. For more information, see:
     https://developers.google.com/web/fundamentals/primers/service-workers -->
<script>
    if ('serviceWorker' in navigator) {
        window.addEventListener('flutter-first-frame', function () {
            navigator.serviceWorker.register('flutter_service_worker.js?v=11');
        });
    }
</script>
<script src="main.dart.js?v=15" type="application/javascript"></script>
</body>
</html>