Add video-text-to-text task category (#2)

- Add video-text-to-text task category (6e4c325b91aaa90ed2fac4b1d489c248b45ba4d7)


Co-authored-by: Niels Rogge <[email protected]>

README.md

@@ -1,12 +1,14 @@
 ---
-license: cc-by-nc-4.0
 language:
 - zh
+license: cc-by-nc-4.0
+size_categories:
+- 100K<n<1M
 tags:
 - sign-language
 - pose
-size_categories:
-- 100K<n<1M
+task_categories:
+- video-text-to-text
 ---
 
 # Summary