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

- Librarian Bot: Add language metadata for dataset (cc0b61de05a179e00f390a59e3b38303cf8d8761)


Co-authored-by: Librarian Bot (Bot) <[email protected]>

README.md

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