feat: Init of Tauri application with system tray support and configuration

- Added main.rs to set up the Tauri application with a system tray.
- Implemented a basic application state management using Mutex.
- Created a system tray menu with options for "Settings" and "Quit".
- Configured tauri.conf.json with application metadata and window settings.

src-tauri/gen/schemas/capabilities.json

@@ -0,0 +1 @@
+{}