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

- Librarian Bot: Add language metadata for dataset (9a9852813aa131ae2754939109725aed7bc0f04a)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- en
 license: apache-2.0
 task_categories:
 - other