refactor: 重构项目结构并更新命名规范

- 更新项目目录名为 app-desktop 以反映新的项目结构命名规范
- 添加应用桌面模块并移除已弃用的 tauri-shell 包依赖
- 更新项目名称和库名称以反映新的应用标识
- 将主函数中的启动逻辑从 tauri_shell_lib 改为 app_desktop_lib
- 更新应用名称和标识符以反映新的项目名称。

src-tauri/Cargo.lock

@@ -47,6 +47,17 @@ version = "1.0.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a23eb6b1614318a8071c9b2521f36b424b2c83db5eb3a0fead4a6c0809af6e61"
 
+[[package]]
+name = "app-desktop"
+version = "0.1.0"
+dependencies = [
+ "serde",
+ "tauri",
+ "tauri-build",
+ "tauri-plugin-shell",
+ "tokio",
+]
+
 [[package]]
 name = "atk"
 version = "0.18.2"
@@ -3423,17 +3434,6 @@ dependencies = [
  "wry",
 ]
 
-[[package]]
-name = "tauri-shell"
-version = "0.1.0"
-dependencies = [
- "serde",
- "tauri",
- "tauri-build",
- "tauri-plugin-shell",
- "tokio",
-]
-
 [[package]]
 name = "tauri-utils"
 version = "2.8.1"