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

- Librarian Bot: Add language metadata for dataset (3e4dec519442493066841712aaf83e6efb621374)


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

README.md

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