Librarian Bot: Add language metadata for dataset (#1)

- Librarian Bot: Add language metadata for dataset (f258bd4ae7b13f3e38ad4a688ff94bf8db07bc58)


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

README.md

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