Update the author of Animation.qmd

Correted the author of the page animation. it should be contributed to [Yinying Chai].

Author: MartinaHYang

Animation/Animation.qmd

@@ -1,8 +1,7 @@
 ---
 title: "Animation"
 author:
-  - "**[Editor]** [KeXin Huang](https://github.com/Kathywongkx),
-  [YuJie Peng](https://github.com/YujiePeng913);"
+  - "**[Editor]** [Yinying Chai](https://github.com/YvonneChai);"
   - "**[Contributors]** [ShiXiang Wang](https://github.com/ShixiangWang), 
   [Peng Luo](https://github.com/DrRobinLuo), 
   [Hong Yang](https://github.com/MartinaHYang),