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

- Librarian Bot: Add language metadata for dataset (2743d16d148c06efb1592e335c532cf162e6c253)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- en
 configs:
 - config_name: default
   data_files: