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

- Librarian Bot: Add language metadata for dataset (a86cc3478e129de9551e284063c8ff9ef34e11ed)


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: