message: Add GA tracking code
diff: </div>
  </my-app>
  + <!--Google Analytics Tracking Code-->
  + <script>
  + (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
  + (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
  + m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
  + })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
  +
  + ga('create', 'UA-106409068-1', 'auto');
  + ga('send', 'pageview');
  +
  + </script>
  +
  </body>
  </html>
  