Add categories

templates/categories.html

@@ -5,5 +5,20 @@ vim: ts=2 noexpandtab
 {% block title %}{{ super() }} - Categories{% endblock%}
 {% set active_page = "categories" %}
 {% block content %}
-<p>CATEGORIES</p>
+<p>
+	<ul>
+		{% for category in categories %}
+		<li>
+			{{ category }}
+			<ul>
+			{% for sub_category in categories[category] %}
+				<li>
+				{{ sub_category }}
+				</li>
+			{% endfor %}
+			</ul>
+		</li>
+		{% endfor %}
+	</ul>
+</p>
 {% endblock content%}