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

- Librarian Bot: Add language metadata for dataset (90d77cb263bd2ee3e2b884d7b8b037c63a5562dc)


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

README.md

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