feat: add CMS page and service to manage website content.

src/components/Sidebar.tsx

@@ -60,6 +60,20 @@ const menuItems = [
       </svg>
     ),
   },
+  {
+    name: 'Content Management',
+    href: '/dashboard/cms',
+    icon: (
+      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+        <path
+          strokeLinecap="round"
+          strokeLinejoin="round"
+          strokeWidth={2}
+          d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"
+        />
+      </svg>
+    ),
+  },
 ];
 
 export default function Sidebar() {