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

- Librarian Bot: Add language metadata for dataset (d3a2eed9b11861b0364dfd5734bfb85f093093f7)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- en
 license: mit
 dataset_info:
 - config_name: default