change the language and license field

README.md

@@ -3,10 +3,10 @@ annotations_creators:
 - no-annotation
 language_creators:
 - found
-languages:
+language:
 - zh
-licenses:
-- other-weibo
+license:
+- other
 multilinguality:
 - monolingual
 paperswithcode_id: mmchat-multi-modal-chat-dataset-on-social