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

- Librarian Bot: Add language metadata for dataset (f40c608f861daf4eed24d95a2a2baad76f4140c8)


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

README.md

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