Adding analytics to docs part of website

docs/source/_templates/layout.html

@@ -1,6 +1,20 @@
 {% extends "!layout.html" %}
 {% block sidebartitle %}
 {{ super() }}
+
+
 <br>
 <a href="api/index.html">API reference</a>
+
+<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-87760032-1', 'auto');
+  ga('send', 'pageview');
+
+</script>
+
 {% endblock %}