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

- Librarian Bot: Add language metadata for dataset (ce1cc29130f71a5465fe99c985d4d266fcfa984e)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- en
 license: mit
 dataset_info:
   features: