Update README.md

Update to VideoAnnotationTool

Author: woshimajintao

README.md

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 # Video Annotation Tool (UI)
 
-[![Documentation Status](https://img.shields.io/badge/docs-online-brightgreen)](https://opensportslab.github.io/soccernetpro-ui/)
+[![Documentation Status](https://img.shields.io/badge/docs-online-brightgreen)](https://opensportslab.github.io/VideoAnnotationTool/)
 
 A **PyQt6-based GUI** for analyzing and annotating **OSL formart** datasets from [OpenSportsLab](https://huggingface.co/OpenSportsLab).