added google analytics for v3

layouts/partials/sections/v3/head.html

@@ -2,7 +2,8 @@
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <meta http-equiv="X-UA-Compatible" content="ie=edge">
 <link rel="icon" href="{{ .Site.Params.favicon | default " /images/favicon.png"}}" type="image/gif">
-
+<!-- Google analytics -->
+{{ template "_internal/google_analytics.html" . }}
 <!-- stylesheets -->
 <link rel="stylesheet" href="/css/bootstrap.min.css" media="all">
 <link rel="stylesheet" href="/css/all.min.css" media="all">
@@ -26,4 +27,4 @@
     ::-webkit-scrollbar-thumb {
         background: #6c757d;
     }
-</style>
+</style>