docs(readme): 更新下载链接和文档结构

- 在 README 中添加了桌面版下载链接
- 完善了服务端和桌面版的分类说明
- 补充了 Ubuntu 和 MacOS 的安装包链接
- 优化了英文文档的标题和结构
- 统一了下载链接的展示格式
- 增加了必要的空行提升可读性

README-EN.md

@@ -49,7 +49,10 @@ OGame Vue TS is a single-player, browser-based space strategy game inspired by t
 
 ## Quick Start
 
-### Download Build
+### Download Build Product
+
+#### Server version
+
 [Windows](https://github.com/coolxitech/ogame-vue-ts/releases/latest/download/ogame-windows-amd64.exe)
 
 [Linux amd64](https://github.com/coolxitech/ogame-vue-ts/releases/latest/download/ogame-linux-amd64)
@@ -60,6 +63,14 @@ OGame Vue TS is a single-player, browser-based space strategy game inspired by t
 
 [MacOS](https://github.com/coolxitech/ogame-vue-ts/releases/latest/download/ogame-macos-arm64)
 
+#### Desktop version
+
+[Windows](https://github.com/coolxitech/ogame-vue-ts/releases/latest/download/OGame.Setup.exe)
+
+[Ubuntu](https://github.com/coolxitech/ogame-vue-ts/releases/latest/download/OGame.AppImage)
+
+[MacOS](https://github.com/coolxitech/ogame-vue-ts/releases/latest/download/OGame-mac.dmg)
+
 ### Prerequisites
 
 - [Node.js](https://nodejs.org/) (version 18 or higher recommended)