src/index.html

<!doctype html>
<html lang="en">

<head>
  <meta charset="utf-8">
  <title>MyApp</title>
  <base href="/">

  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="icon" type="image/x-icon" href="favicon.ico">
  <link rel="icon" type="image/x-icon" href="/assets/angular.png">
  <link rel="manifest" href="/manifest.json">
  <meta name="mobile-web-app" content="yes">
  <meta name="theme-color" content="#f48c5b">


</head>

<body>
  <app-root>
    <img src="../assets/angular.png" alt="AngularLogo" style="width:50px;
                height:50px;
                position: fixed;top: 50%;
                left: 50%;
                transform: translate(-50%, -50%);">
  </app-root>
  <script async defer src="https://buttons.github.io/buttons.js"></script>
</body>

</html>