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

- Librarian Bot: Add language metadata for dataset (8a7617d45a7f39c30b4943e0d5b33e1b5a9f6685)


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

README.md

@@ -1,3 +1,5 @@
 ---
+language:
+- en
 license: wtfpl
 ---