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

- Librarian Bot: Add language metadata for dataset (2fdfebcc39c082d7d13de58f9d1dd91714672b23)


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

README.md

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