chore(deprecated api): log a warning on serverside if a deprecated route is still used

src/interfaces/api/handlers/folder_handler.rs

@@ -490,6 +490,7 @@ pub async fn list_folder_contents(
     auth_user: AuthUser,
     path: Path<String>,
 ) -> axum::response::Response {
+    tracing::warn!("Deprecated endpoint called: GET /api/folders/{{id}}/contents — use GET /api/folders/{{id}}/resources?resource_types=folder instead");
     FolderHandler::list_folder_contents_impl(state, auth_user, path).await
 }
 
@@ -533,6 +534,7 @@ pub async fn list_folder_contents_paginated(
     path: Path<String>,
     pagination: Query<PaginationRequestDto>,
 ) -> axum::response::Response {
+    tracing::warn!("Deprecated endpoint called: GET /api/folders/{{id}}/contents/paginated — use GET /api/folders/{{id}}/resources instead");
     FolderHandler::list_folder_contents_paginated_impl(state, auth_user, path, pagination).await
 }