Add an "Edit Versions" listing to the Admin menu (#6110)

* Add an "Edit Versions" listing to the Admin menu

This will let users easily find the current version editing UI,
and be the place we'll eventually move it after a refactor.

* Move up list

Author: ericholscher

readthedocs/templates/projects/project_edit_base.html

@@ -16,6 +16,8 @@
       <ul>
         <li class="{% block project-edit-active %}{% endblock %}"><a href="{% url "projects_edit" project.slug %}">{% trans "Settings" %} </a></li>
         <li class="{% block project-advanced-active %}{% endblock %}"><a href="{% url "projects_advanced" project.slug %}">{% trans "Advanced Settings" %} </a></li>
+        <!-- Add a link to the dashboard versions page so users can find it -->
+        <li><a href="{% url "project_version_list" project.slug %}">{% trans "Edit Versions" %}</a></li>
         <li class="{% block project-domains-active %}{% endblock %}"><a href="{% url "projects_domains" project.slug %}">{% trans "Domains" %}</a></li>
         <li class="{% block project-users-active %}{% endblock %}"><a href="{% url "projects_users" project.slug %}">{% trans "Maintainers" %}</a></li>
         <li class="{% block project-redirects-active %}{% endblock %}"><a href="{% url "projects_redirects" project.slug %}">{% trans "Redirects" %}</a></li>