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

- Librarian Bot: Add language metadata for dataset (201fb54d1b051d4f0b3940d9828d4d6e7dd1ff90)


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

README.md

@@ -1,3 +1,5 @@
 ---
+language:
+- ko
 license: apache-2.0
 ---