analytics tracker for get beta button

Author: leonjohannessen

_layouts/default.html

@@ -31,7 +31,11 @@ <h2 class="project-tagline">&mdash;<br>Lorem ipsum dolor sit amet</h2>
     <script src="/assets/js/scroll.js" type="text/javascript"></script>
     <script type="text/javascript">
       document.getElementById('cta-button').addEventListener('click', () => {
-          smoothScroll(document.getElementById('preview-bloc-beta'), 500, 'easeOutQuad', () => document.getElementById('mce-EMAIL').focus())
+          smoothScroll(document.getElementById('preview-bloc-beta'), 500, 'easeOutQuad', () => {
+              document.getElementById('mce-EMAIL').focus()
+              ga('send', 'event', 'button', 'clicked', 'User clicked get beta button');
+            }
+          )
         }
       );
     </script>