add disqus comments

_config.yml

@@ -31,5 +31,6 @@ defaults:
       type: posts
     values:
       layout: page
+      comments: true
 
 # Custom vars

_includes/comments.html

@@ -0,0 +1,16 @@
+{% if page.comments %}
+<!-- Add Disqus comments. -->
+<div id="disqus_thread"></div>
+<script type="text/javascript">
+    /* * * CONFIGURATION VARIABLES: EDIT BEFORE PASTING INTO YOUR WEBPAGE * * */
+    var disqus_shortname = 'glehmannn'; // required: replace example with your forum shortname
+
+    /* * * DON'T EDIT BELOW THIS LINE * * */
+    (function() {
+        var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;
+        dsq.src = '//' + disqus_shortname + '.disqus.com/embed.js';
+        (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
+    })();
+</script>
+<noscript>Please enable JavaScript to view the <a href="http://disqus.com/?ref_noscript">comments powered by Disqus.</a></noscript>
+{% endif %}

_layouts/default.html

@@ -21,6 +21,7 @@ <h3 class="masthead-title">
 
       <div class="container content">
         {{ content }}
+        {% include comments.html %}
       </div>
     </div>