Add sidebar menu items for /site/docs/list and /site/docs/edit. They do not currently have view functions attached, but there are other links in the mock-up portion of the sidebar that don't currently work, either. The goal is to commit the /site/docs/list and /site/docs/edit changes in small bits that don't break anyone else.

This is an optional add-on app, flatpages.

For full documentation, see either of these:

    * The file docs/flatpages.txt in the Django distribution
    * http://www.djangoproject.com/documentation/flatpages/ on the Web

Both have identical content.