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

- Librarian Bot: Add language metadata for dataset (5777ae946d05345678409ba5f214a265fd13098d)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- ru
 license: apache-2.0
 task_categories:
 - question-answering