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

- Librarian Bot: Add language metadata for dataset (c027d957cc35ebc6fd7d6a51f47705fe7933f78d)


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

README.md

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