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

- Librarian Bot: Add language metadata for dataset (6772266c01da7a01635a34e3f2ba6a9afe9cc121)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- en
 license: apache-2.0
 task_categories:
 - other