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

- Librarian Bot: Add language metadata for dataset (d228f97787c3a097fd52d35f523e3e5d9cb79e2a)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- en
 dataset_info:
   features:
   - name: question_id