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

- Librarian Bot: Add language metadata for dataset (7629efdb9d65d2a6517ec12e39d0706e4eaec924)


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

README.md

@@ -1,4 +1,7 @@
 ---
+language:
+- en
+- es
 configs:
 - config_name: default
   data_files: