폴더단위 권한 제어 기능 추가

routes/admin/adminRouter.js

@@ -28,6 +28,11 @@ router.post('/permissions/assign', adminController.assignPermissions);
 router.put('/permissions/update', adminController.updatePermission);
 router.delete('/permissions/remove', adminController.removePermission);
 
+// 2-1. Folder-Level Permissions
+router.get('/permissions/folders/:projectId', adminController.getFolderPermissions);
+router.post('/permissions/folders/assign', adminController.assignFolderPermissions);
+router.delete('/permissions/folders/remove', adminController.removeFolderPermission);
+
 // 3. Banners
 router.get('/banners', adminController.getBanners);
 router.post('/banners', adminController.createBanner);