Librarian Bot: Add language metadata for dataset (#1)

- Librarian Bot: Add language metadata for dataset (df447ed9d047fae9de22066617f44e245ac41759)


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

README.md

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