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

- Librarian Bot: Add language metadata for dataset (6bc847ec541b865175fd51663b76da7eb3ba39e2)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- is
 dataset_info:
   features:
   - name: audio