Implemented GA and Closes #7

templates/base/ga.tmpl

@@ -1,4 +1,3 @@
-<!-- Global site tag (gtag.js) - Google Analytics -->
 <script async src="https://www.googletagmanager.com/gtag/js?id=UA-107259345-2"></script>
 <script>
   window.dataLayer = window.dataLayer || [];