fix: fix typo in PrivateRoute component name

src/App.tsx

@@ -8,7 +8,7 @@ import GeneratePage from './pages/Generate';
 import ManagePage from './pages/Manage';
 import ProfilePage from './pages/Profile';
 
-const PrivatePrivateRoute = () => {
+const PrivateRoute = () => {
   const user = authApi.getCurrentUser();
   if (!user) {
     return <Navigate to="/login" replace />;