add google analytics

src/index.html

@@ -23,7 +23,14 @@
     <![endif]-->
 
     <link href="https://fonts.googleapis.com/css?family=Roboto:500,300,400" rel="stylesheet" type="text/css">
+    <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-79146816-1', 'auto');
+    </script>
 
     <!-- build:css css/main.min.css -->
     <link rel="stylesheet" href="css/main.css">
@@ -392,6 +399,10 @@
         </div>
     </footer>
 
+    <script>
+      ga('send', 'pageview');
+    </script>
+
     <!-- build:js js/main.min.js -->
     <script type="text/javascript" src="js/libs.min.js"></script>
     <script type="text/javascript" src="js/common.js"></script>