feat: implement auto-update functionality with GitHub integration

- Added AutoUpdater class to manage update checks and downloads.
- Integrated auto-updater in the main process after the main window is created.
- Enhanced preload script to expose update-related IPC channels.
- Created UpdateDialog component to handle user interactions for updates.
- Implemented state management for update status using Pinia store.
- Added localization support for update messages in multiple languages.
- Documented auto-update configuration steps for private GitHub repositories.
- Created .env.example for GitHub token configuration.

package.json

@@ -10,7 +10,7 @@
   "private": true,
   "repository": {
     "type": "git",
-    "url": "https://github.com/jooy2/vutron.git"
+    "url": "https://github.com/Jasery/gdt-tool.git"
   },
   "bugs": {
     "url": "https://github.com/jooy2/vutron/issues"