Librarian Bot: Add language metadata for dataset (#1)

- Librarian Bot: Add language metadata for dataset (aa2e3133c219897045ce5d497b7be0e22bb0d7d8)


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

README.md

@@ -1,4 +1,7 @@
 ---
+language:
+- vi
+- en
 dataset_info:
   features:
   - name: prompt