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

- Librarian Bot: Add language metadata for dataset (52437291f6ec726235d425a151f6c9bc49075b3a)


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

README.md

@@ -1,3 +1,5 @@
 ---
+language:
+- en
 license: cc-by-nc-4.0
 ---