Add Google Analytics tracking

Author: LeNPaul

_data/settings.yml

@@ -3,6 +3,8 @@ disqus:
   comments: false
   disqus_shortname: 'millennial-3'
 
+google-ID: 'UA-112060364-2'
+
 menu:
 - {name: 'Interesting Facts', folder: 'pages', file: 'facts.html'}
 - {name: 'Learning Resources', folder: 'pages', file: 'resources.html'}

_includes/head.html

@@ -27,6 +27,7 @@
     src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
   </script>
 
+  <!-- Google Analytics -->
   {% include google-analytics.html %}
 
   <!-- Use Jekyll SEO plugin -->