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

- Librarian Bot: Add language metadata for dataset (eeadf260c53cff69f81c395966be7ccaaaf386c7)


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

README.md

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