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

- Librarian Bot: Add language metadata for dataset (68636ae7da4e3abde0b7714d68c34e44543c1e7a)


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

README.md

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