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

- Librarian Bot: Add language metadata for dataset (36afa6691804fdf10620ecc26a3d89bfc3c7a602)


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

README.md

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