Add src/app/admin/categories/page.tsx

src/app/admin/categories/page.tsx

@@ -0,0 +1,10 @@
+"use client";
+
+export default function AdminCategoriesPage() {
+  return (
+    <div className="p-4">
+      <h2 className="text-4xl font-bold text-white mb-8">Categories Management</h2>
+      <p className="text-neutral-300">Content for managing categories will go here.</p>
+    </div>
+  );
+}