Librarian Bot: Add language metadata for dataset (#2)

- Librarian Bot: Add language metadata for dataset (11d931f059bef32c90af8c99394cba3d58f61b1d)


Co-authored-by: Librarian Bot (Bot) <librarian-bot@users.noreply.huggingface.co>

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- id
 license: mit
 dataset_info:
   features: