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

- Librarian Bot: Add language metadata for dataset (6970cb6fc4c591a5708c73a24596fa435b44a77c)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- en
 dataset_info:
   config_name: prompts
   features: