Enhance UI components and improve user notifications

lfg2025/archy

- Updated App.vue to include a toast notification system for new messages, enhancing user engagement.
- Modified SplashScreen.vue to streamline the intro text display with improved typing effects.
- Added Montserrat font styles in style.css for better typography across the application.
- Improved controller navigation in useControllerNav.ts to support enhanced focus management and sound feedback.
- Updated routing logic in index.ts to redirect authenticated users from the login page to the home page.
- Enhanced the Login.vue view with transition effects for a smoother user experience during login and setup processes.

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