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

- Librarian Bot: Add language metadata for dataset (bf9574c25633c0be43c196a12022544d42af073a)


Co-authored-by: Librarian Bot (Bot) <librarian-bot@users.noreply.huggingface.co>

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- en
 license: odbl
 ---