Add GA

.gitignore

@@ -9,3 +9,4 @@ private/
 vendor/
 node_modules/
 bower_components/
+tests/

demo.html

@@ -853,5 +853,14 @@
     gr.render();
     </script>
 
+    <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-74284223-1', 'auto');
+      ga('send', 'pageview');
+    </script>
   </body>
 </html>

index.html

@@ -56,6 +56,15 @@
 
     <section class="main-content">    <div class="body"></div>   </section>
 
+    <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-74284223-1', 'auto');
+      ga('send', 'pageview');
+    </script>
 
   </body>
 </html>