refactor: 重命名桌面应用为 server-desktop

- 更新项目结构中的目录名称为 server-desktop
- 将应用名称从 `app-desktop` 更改为 `server-desktop`
- 将桌面应用的包名和库名从 app-desktop 和 app_desktop_lib 更改为 server-desktop 和 server_desktop_lib。
- 将主函数中的运行入口从 app_desktop_lib 更改为 server_desktop_lib。
- 更新产品名称和标识符以反映新的应用名称为 server-desktop。

apps/desktop/src-tauri/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "app-desktop"
+name = "server-desktop"
 version = "0.1.0"
 description = "A Tauri App"
 authors = ["imbytecat"]
@@ -11,7 +11,7 @@ edition = "2021"
 # The `_lib` suffix may seem redundant but it is necessary
 # to make the lib name unique and wouldn't conflict with the bin name.
 # This seems to be only an issue on Windows, see https://github.com/rust-lang/cargo/issues/8519
-name = "app_desktop_lib"
+name = "server_desktop_lib"
 crate-type = ["staticlib", "cdylib", "rlib"]
 
 [build-dependencies]