Add profile export and import functionality

- Implemented API endpoints for exporting and importing voice profiles as ZIP archives.
- Enhanced the frontend with new hooks and components for profile export and import, including file handling and user dialogs.
- Integrated Tauri plugins for file system access and dialog interactions to facilitate seamless user experience.
- Updated ProfileCard and ProfileList components to support new export and import features, improving overall functionality.
- Added necessary error handling and validation for file operations to ensure robustness.

tauri/src-tauri/src/main.rs

@@ -128,6 +128,8 @@ async fn stop_server(state: State<'_, ServerState>) -> Result<(), String> {
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
     tauri::Builder::default()
+        .plugin(tauri_plugin_dialog::init())
+        .plugin(tauri_plugin_fs::init())
         .plugin(tauri_plugin_shell::init())
         .manage(ServerState {
             child: Mutex::new(None),