Add task category and links to paper, project page, and code

This PR adds the `video-text-to-text` task category to the metadata and includes links to the paper, project page, and GitHub repository in the dataset card for better context and discoverability.

README.md

@@ -1,9 +1,13 @@
 ---
 license: mit
+task_categories:
+- video-text-to-text
 ---
 
 # VA-Judger-Bench
 
+[Paper](https://huggingface.co/papers/2608.18607) | [Project page](https://sharelab-sii.github.io/VA-Judger/) | [Code](https://github.com/ShareLab-SII/VA-Judger)
+
 VA-Judger-Bench is a paired audio/video preference benchmark with 1,150 cases:
 
 - `easy`: 400 cases
@@ -46,4 +50,4 @@ VA-Judger-Bench/
 
 ## Licensing
 
-This dataset is released under the MIT License.
+This dataset is released under the MIT License.