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

- Librarian Bot: Add language metadata for dataset (c4bb93e89b0e51c1a753f58fe47ad92b11670f9f)


Co-authored-by: Librarian Bot (Bot) <librarian-bot@users.noreply.huggingface.co>

README.md

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