Librarian Bot: Add language metadata for dataset (#1)

- Librarian Bot: Add language metadata for dataset (050d6e0c7c0eb4f31406fab8f59f3a710ec62731)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- en
 dataset_info:
   features:
   - name: prompt