index.html

<html>
  <head>
    <base href="/">
    <title>Angular 2 - ToDo App</title>
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
    <script src="//cdn.auth0.com/js/lock-8.1.min.js"></script>
    <script src="node_modules/angular2/bundles/angular2-polyfills.js"></script>
    <script src="node_modules/systemjs/dist/system.src.js"></script>
    <script>
      System.config({
        defaultJSExtensions: true,
        map: {
          "angular2-jwt": "node_modules/angular2-jwt/angular2-jwt",
          "angular2": "node_modules/angular2",
          "rxjs": "node_modules/rxjs"
        }
      });
      System.import('app/boot').then(null, console.error.bind(console));
    </script>
  </head>
  <body>
    <my-app>Loading...</my-app>
  </body>
</html>