Added GA code

public/templates/index.html

@@ -25,6 +25,17 @@
   <script src="/lib/socket.io.js"></script>
   <script src="/js/app.js"></script>
 
+  <!-- google analytics -->
+  <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','//www.google-analytics.com/analytics.js','ga');
+
+  ga('create', 'UA-43803735-2', 'auto');
+  ga('send', 'pageview');
+  </script>
+
 
 </body>
 </html>