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/tauri.conf.json

@@ -39,7 +39,7 @@
     },
     "windows": [
       {
-        "title": "voicebox",
+        "title": "",
         "width": 1200,
         "height": 800,
         "minWidth": 800,