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

- Librarian Bot: Add language metadata for dataset (9527e8739f5965142c17d6384f3eba1626301266)


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

README.md

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