Librarian Bot: Add language metadata for dataset (#3)

- Librarian Bot: Add language metadata for dataset (e3cea8f1385fe10a4f9e6959e3155d2f5dedac85)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- en
 license: mit
 ---