add more contribution (#4849)

README_cn.md

@@ -299,6 +299,8 @@ PaddleDetection为基于飞桨PaddlePaddle的端到端目标检测套件，提
 - 感谢[Mandroide](https://github.com/Mandroide)清理代码并且统一部分函数接口。
 - 感谢[FL77N](https://github.com/FL77N/)贡献`Sparse-RCNN`模型。
 - 感谢[Chen-Song](https://github.com/Chen-Song)贡献`Swin Faster-RCNN`模型。
+- 感谢[yangyudong](https://github.com/yangyudong2020), [hchhtc123](https://github.com/hchhtc123) 开发PP-Tracking GUI界面
+- 感谢[Shigure19](https://github.com/Shigure19) 开发PP-TinyPose健身APP
 
 ## 引用
 

README_en.md

@@ -305,6 +305,8 @@ Contributions are highly welcomed and we would really appreciate your feedback!!
 - Thanks [Mandroide](https://github.com/Mandroide) for cleaning the code and unifying some function interface.
 - Thanks [FL77N](https://github.com/FL77N/) for contributing the code of `Sparse-RCNN` model.
 - Thanks [Chen-Song](https://github.com/Chen-Song) for contributing the code of `Swin Faster-RCNN` model.
+- Thanks [yangyudong](https://github.com/yangyudong2020), [hchhtc123](https://github.com/hchhtc123) for contributing PP-Tracking GUI interface.
+- 感谢[Shigure19](https://github.com/Shigure19) for contributing PP-TinyPose fitness APP.
 
 ## Citation