Добавил превьюшки дхф и настройки сервера

templates/components/_navbar.html

@@ -23,7 +23,7 @@
                     <a class="nav-link {% if request.resolver_match.url_name == 'customers' or request.resolver_match.url_name == 'customer_deals' %}active{% endif %}" href="{% url 'customers' %}">Заказчик</a>
                 </li>
                 {% endif %}
-                
+
                 {% if user_role in 'admin,technologist,master,operator' %}
                 <li class="nav-item"><a class="nav-link" href="#">Закрытие</a></li>
                 {% endif %}
@@ -31,6 +31,12 @@
                 {% if user_role in 'admin,technologist,clerk' %}
                 <li class="nav-item"><a class="nav-link" href="#">Списание</a></li>
                 {% endif %}
+
+                {% if user_role == 'admin' %}
+                <li class="nav-item">
+                    <a class="nav-link {% if request.resolver_match.url_name == 'maintenance' %}active{% endif %}" href="{% url 'maintenance' %}">Обслуживание сервера</a>
+                </li>
+                {% endif %}
             </ul>
 
             <div class="d-flex align-items-center gap-2 mt-lg-0 mt-3">