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

- Librarian Bot: Add language metadata for dataset (18bd7c863d17944ebb35923da9741db2109f4d03)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- en
 task_categories:
 - text-classification
 ---