add admin interface link

tubearchivist/home/templates/home/settings.html

@@ -134,4 +134,14 @@
         <button onclick="fsRescan()">Rescan filesystem</button>
     </div>
 </div>
+{% if request.user.is_superuser %}
+    <div class="title-bar">
+        <h1>Users</h1>
+    </div>
+    <div class="settings-group">
+        <h2>User Management</h2>
+        <p>Access the admin interface for basic user management functionality like adding and deleting users, changing passwords and more.</p>
+        <a href="/admin/"><button>Admin Interface</button></a>
+    </div>
+{% endif %}
 {% endblock content %}