Add support to Disqus

_includes/disqus_comments.html

@@ -0,0 +1,19 @@
+{% if page.comments %}
+  <div id="disqus_thread"></div>
+  <script>
+    var disqus_config = function () {
+      this.page.url = '{{ site.url }}{{ page.url }}';        // Replace PAGE_URL with your page's canonical URL variable
+      this.page.identifier = '{{ site.url }}{{ page.url }}'; // Replace PAGE_IDENTIFIER with your page's unique identifier variable
+    };
+
+    (function() {  // DON'T EDIT BELOW THIS LINE
+      var d = document, s = d.createElement('script');
+
+      s.src = '//{{ site.disqus.shortname }}.disqus.com/embed.js';
+
+      s.setAttribute('data-timestamp', +new Date());
+      (d.head || d.body).appendChild(s);
+    })();
+  </script>
+  <noscript>Please enable JavaScript to view the <a href="https://disqus.com/?ref_noscript" rel="nofollow">comments powered by Disqus.</a></noscript>
+{% endif %}

_layouts/post.html

@@ -12,4 +12,7 @@ <h1 class="post-title" itemprop="name headline">{{ page.title | escape }}</h1>
     {{ content }}
   </div>
 
+  {% if site.disqus.shortname %}
+    {% include disqus_comments.html %}
+  {% endif %}
 </article>