Update main.md

Author: rtheunissen

templates/main.md

@@ -8,9 +8,10 @@ permalink: /
 
 <a class="source" href="https://github.com/{{ site.data.project.github }}">
     <img src="{{ site.baseurl }}/assets/images/github.png">
-    {{ site.data.project.github }}
 </a>
 
+[![Github](https://img.shields.io/badge/src-php--decimal-lightgrey.svg?style=flat-square&branch=master)](https://github.com/{{ site.data.project.github }}){:class="shield github"}
+
 [![Build Status](https://img.shields.io/travis/{{ site.data.project.travis }}.svg?style=flat-square&branch=master)](https://travis-ci.org/{{ site.data.project.travis }}){:class="shield"}
 
 {% include introduction.md %}