feat(website): add content structure files

packages/website/templates/section.html

@@ -3,10 +3,4 @@
 
 {% block content %}
 {{section.content | safe}}
-
-<ul>
-  {% for page in section.pages %}
-  <li><a href="{{page.permalink}}">{{page.path | safe}}</a></li>
-  {% endfor %}
-</ul>
 {% endblock content %}