updates

templates/categories_index.html

@@ -0,0 +1,16 @@
+{% extends "default.html" %}
+
+{% block menu_links %}
+            <a href="index.html">Home</a>
+            <a href="static/about.html">About</a>
+{% endblock %}
+
+{% block content %}
+    <div class="container">
+        <div class="row"></div>
+        {% for category in categories_list %}
+            <a href="{{category}}.html">{{ category }}</a>
+    {% endfor %}
+        </div>
+    </div>
+{% endblock %}