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

- Librarian Bot: Add language metadata for dataset (efe4b4e135a55312d45a40ae2be048d8191374e9)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- en
 license: mit
 task_categories:
 - text-classification