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

- Librarian Bot: Add language metadata for dataset (e5ed41537ecb95c3b1fd17fc0fd9db5ba680a591)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- ko
 dataset_info:
   features:
   - name: instruction