Librarian Bot: Add language metadata for dataset (#3)

- Librarian Bot: Add language metadata for dataset (3b63462ea140bdb1a1073c60f048ea2ec2e793f0)


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

README.md

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