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.

README.md

@@ -31,6 +31,7 @@ Quick Start Templates for **[Vite](https://vitejs.dev)** + **[Vue 3](https://vue
 - ⚡️ Basic layout manager
 - ⚡️ Global state management through the Pinia store
 - ⚡️ Quick support through the GitHub community and official documentation
+- ⚡️ Auto-update support (including private repositories with proper authentication)
 
 ## [Documentation (Getting Started)](https://vutron.cdget.com/installation-and-build/getting-started)