Added a divider in place of spacing for navbar (mobile) dropdown (#249)

Author: mfosterw

democrasite/templates/base.html

@@ -112,6 +112,7 @@
                   {% endif %}
                 {% endblock nav_authentication %}
               </ul>
+              <hr class="d-block d-md-none" />
               <ul class="navbar-nav">
                 <li class="nav-item">
                   <a href="{% url 'activitypub:note-list' %}" class="nav-link">{% trans 'ActivityPub' %}</a>