Add Parts Labels to the admin menu

app/templates/base.html

@@ -84,6 +84,7 @@
                                 <li><hr class="dropdown-divider"></li>
                                 <li><a class="dropdown-item" href="{{ url_for('admin.dashboard') }}"><i class="bi bi-shield-lock"></i> Admin</a></li>
                                 <li><a class="dropdown-item" href="{{ url_for('backup.index') }}"><i class="bi bi-archive"></i> Backup &amp; Restore</a></li>
+                                <li><a class="dropdown-item" href="{{ url_for('labels.index') }}"><i class="bi bi-tags"></i> Parts Labels</a></li>
                                 {% endif %}
                                 <li><hr class="dropdown-divider"></li>
                                 <li><a class="dropdown-item" href="{{ url_for('auth.logout') }}"><i class="bi bi-box-arrow-right"></i> Logout</a></li>