新版本中，实验性组件的翻译

[heygsc]

https://zh-hans.react.dev/reference/react/Activity
https://zh-hans.react.dev/reference/react/ViewTransition

[heygsc]

对应源码位置：

https://github.com/reactjs/zh-hans.react.dev/blob/main/src/content/reference/react/Activity.md

https://github.com/reactjs/zh-hans.react.dev/blob/main/src/content/reference/react/ViewTransition.md

[loveloki]

欢迎提交翻译！

[OpenLucasKaka]

Hi! I'd like to help with the translation of [Experimental Component Name]. Please assign it to me if possible. I'm planning to submit a PR in a few days. Thanks!

[loveloki]

Hi! I'd like to help with the translation of [Experimental Component Name]. Please assign it to me if possible. I'm planning to submit a PR in a few days. Thanks!

到时候直接提交就好了，之前设置认领表是为了避免多人同时翻译同一篇文章浪费彼此时间