Fix footer crash (no Jinja date filter), add admin/backup nav links and credit

app/templates/base.html

@@ -80,6 +80,11 @@
                             </a>
                             <ul class="dropdown-menu dropdown-menu-end">
                                 <li><a class="dropdown-item" href="{{ url_for('auth.profile') }}"><i class="bi bi-person"></i> Profile</a></li>
+                                {% if current_user.is_admin %}
+                                <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>
+                                {% 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>
                             </ul>
@@ -139,13 +144,16 @@
                 Organize, manage, and access all your LEGO instruction manuals
             </p>
             <p class="mb-0 small">
-                &copy; 2024-{{ "now"|date("Y") }} LEGO Instructions Manager
+                &copy; 2024-{{ current_year }} LEGO Instructions Manager
                 {% if brickset_available %}
                     <span class="badge bg-success ms-2">
                         <i class="bi bi-check-circle"></i> Brickset Connected
                     </span>
                 {% endif %}
             </p>
+            <p class="mb-0 small text-muted">
+                Created by: Jess Rogerson (yelling commands at Claude.AI)
+            </p>
         </div>
     </footer>