feat: add user list to menu

Author: dodumosu

br/templates/backend/_layout.html

@@ -33,6 +33,10 @@ <h4>Rapid<strong>SMS</strong></h4>
               <div class="dropdown-divider"></div>
               {% if perms.ipd.change_report %}<li><a class="dropdown-item" href="{% url 'mnchw:campaign_list' %}">MNCHW campaigns</a></li>{% endif %}
               <div class="dropdown-divider"></div>
+              {% if perms.auth.change_user %}
+              <li><a href="{% url 'users:user_list' %}" class="dropdown-item">Users</a></li>
+              <div class="dropdown-divider"></div>
+              {% endif %}
               <li><a class="dropdown-item" href="{% url 'messaging:message_list' %}">Messages</a></li>
               <div class="dropdown-divider"></div>
               <li>