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

- Librarian Bot: Add language metadata for dataset (ce44f02e81a3ce5b6e2b753d2f44d1073b96a01d)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- en
 license: other
 license_name: other
 license_link: LICENSE