Librarian Bot: Add language metadata for dataset (#5)

- Librarian Bot: Add language metadata for dataset (5bb5c4a5a422ecfea6f5c72c31ca3124c8127e66)


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

README.md

@@ -1,3 +1,5 @@
 ---
+language:
+- en
 license: apache-2.0
 ---