feat: add Leaf

Author: jaywcjlove

README.md

@@ -44,7 +44,7 @@ Quick Reference
 非常感谢一直以来支持我开源项目的朋友们！如果您认可我的工作，欢迎通过 [赞助](https://wangchujiang.com/#/sponsor)<!--rehype:target=_blank--> 我或下载并使用我开发的 [macOS 应用](https://wangchujiang.com/#/app)<!--rehype:target=_blank--> 来支持我。以下是我个人独立开发的 macOS 应用列表：
 
 <p style="display: inline-block">
-  <a target="_blank" href="https://apps.apple.com/app/Keyzer/6500434773" title="Keyzer for macOS"><img alt="Keyzer" height="52" width="52" src="https://wangchujiang.com/appicon/keyzer.png"></a>
+  <a target="_blank" href="https://apps.apple.com/app/Keyzer/6500434773" title="Keyzer for macOS"><img alt="Keyzer" height="52" width="52" src="./appicon/keyzer.png"></a>
   <a target="_blank" href="https://github.com/jaywcjlove/vidwall-hub" title="Vidwall Hub for macOS"><img alt="Vidwall Hub" height="52" width="52" src="./appicon/vidwall-hub.png"></a>
   <a target="_blank" href="https://apps.apple.com/app/VidCrop/6752624705" title="VidCrop for macOS"><img alt="VidCrop" height="52" width="52" src="./appicon/vidcrop.png"></a>
   <a target="_blank" href="https://apps.apple.com/app/Vidwall/6747587746" title="Vidwall for macOS"><img alt="Vidwall" height="52" width="52" src="./appicon/vidwall.png"></a>
@@ -147,6 +147,7 @@ Quick Reference
 [Kubernetes](./docs/kubernetes.md)<!--rehype:style=background:rgb(51 113 227);&class=contributing&data-info=👆看看还缺点儿什么？-->
 [LaTeX](./docs/latex.md)<!--rehype:style=background:rgb(0 128 128);&class=contributing-->
 [Laravel 8](./docs/laravel.md)<!--rehype:style=background:rgb(249 50 44);&class=contributing tag&data-lang=PHP-->
+[Leaf](./docs/leaf.md)<!--rehype:style=background:rgb(106 105 254);&class=contributing tag&data-lang=Swift-->
 [Lua](./docs/lua.md)<!--rehype:style=background:rgb(3 3 128);-->
 [Markdown](./docs/markdown.md)<!--rehype:style=background:rgb(103 61 156);-->
 [MATLAB](./docs/matlab.md)<!--rehype:style=background:rgb(0 118 168);&class=contributing-->