adding include for google analytics

I don't know if this is right!

Author: loricooperhdf

_layouts/default.html

@@ -5,6 +5,7 @@
     <meta charset="UTF-8">
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1">
+    {% include analytics.html %}
 
 {% seo %}