feat: include disqus if we enable it

_includes/js.html

@@ -19,3 +19,8 @@
 
     <!-- Custom Theme JavaScript -->
     <script src="{{ "/js/freelancer.js" }}"></script>
+
+    {% if site.contact == "disqus" %}
+    <!-- Disqus Stuff -->
+    {% include js_disqus.html %}
+    {% endif %}

_layouts/default.html

@@ -9,6 +9,8 @@
 
     {% if site.contact == "static" %}
     {% include contact_static.html %}
+    {% elsif site.contact == "disqus" %}
+    {% include contact_disqus.html %}
     {% else %}
     {% include contact.html %}
     {% endif %}