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

- Librarian Bot: Add language metadata for dataset (d3c776e80a49512e58f7ffb4ded333db7fec11ff)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- en
 license: cc-by-sa-4.0
 dataset_info:
   features: