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

- Librarian Bot: Add language metadata for dataset (6dde173107b53140a60074ffa588b195e5fb54fd)


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

README.md

@@ -1,3 +1,5 @@
 ---
+language:
+- en
 license: mit
 ---