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

- Librarian Bot: Add language metadata for dataset (7dc86e07061051db40bd82a79819eb6f78e60526)


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

README.md

@@ -1,3 +1,5 @@
 ---
+language:
+- ru
 license: mit
 ---