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

- Librarian Bot: Add language metadata for dataset (27f125b2713e34d673591b778a21e75270acf4d6)


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

README.md

@@ -1,3 +1,5 @@
 ---
+language:
+- en
 license: apache-2.0
 ---