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

- Librarian Bot: Add language metadata for dataset (ecb0fb8e3792f1eea45fb92a4f0b4e8c853dada1)


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

README.md

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