Agregar Token en usuarios

frontend/src/Sidebar.jsx

@@ -81,6 +81,20 @@ export default function Sidebar({ user, activeTab, setActiveTab, sidebarOpen, se
                   {sidebarOpen && <span>Reportes</span>}
                 </button>
               </li>
+              <li>
+                <button
+                  onClick={() => setActiveTab('api-tokens')}
+                  className={`w-full flex items-center ${sidebarOpen ? 'gap-3 px-4' : 'justify-center px-2'} py-3 rounded-lg transition ${
+                    activeTab === 'api-tokens'
+                      ? 'bg-gradient-to-r from-indigo-600 to-purple-600 text-white shadow-lg'
+                      : 'text-indigo-200 hover:bg-indigo-900/50'
+                  }`}
+                  title={!sidebarOpen ? 'API Tokens' : ''}
+                >
+                  <span className="text-xl">🔑</span>
+                  {sidebarOpen && <span>API Tokens</span>}
+                </button>
+              </li>
               <li>
                 <button
                   onClick={() => setActiveTab('settings')}