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

- Librarian Bot: Add language metadata for dataset (d5a0e5a7159b8e413d3f9846abaf2cb5cd560d5e)


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

README.md

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