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

- Librarian Bot: Add language metadata for dataset (82d14aa3d717b303342d7d22e0def6a7fef9c7f9)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- ru
 dataset_info:
   features:
   - name: text