Add multilingual to the language tag (#1)

- Add multilingual to the language tag (49de5ef6e225d4f6664844db2d01d9b9762ec6c5)


Co-authored-by: Loïck BOURDOIS <lbourdois@users.noreply.huggingface.co>

README.md

@@ -2,6 +2,7 @@
 language:
 - en
 - ar
+- multilingual
 datasets:
 - gigaword
 - oscar