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

- Librarian Bot: Add language metadata for dataset (b066cc76fd38afb55c853292943399734ce035d1)


Co-authored-by: Librarian Bot (Bot) <[email protected]>

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- vi
 dataset_info:
   features:
   - name: question