Improved snippets category view.

flask_website/templates/snippets/category.html

@@ -11,9 +11,12 @@
   {% endif %}
     <a href="{{ url_for('snippets.new',
       category=category.slug) }}">add a new one</a>.
+  {% if snippets %}
+  <h3>Snippets in this Category</h3>
   <ul>
   {% for snippet in snippets %}
     <li><a href="{{ snippet.url }}">{{ snippet.title }}</a>
   {% endfor %}
   </ul>
+  {% endif %}
 {% endblock %}