Added lost tags

cl-theme/templates/categories.html

@@ -0,0 +1,16 @@
+{% extends "base.html" %}
+
+{% block head %}
+    {% block title %}
+        <title>{{ SITENAME }}</title>
+    {% endblock %}
+    {{ super() }}
+{% endblock %}
+
+{% block content %}
+<ul>
+{% for category, articles in categories %}
+    <li><a href="{{ SITEURL }}/{{ category.url }}">{{ category }}</a></li>
+{% endfor %}
+</ul>
+{% endblock %}