refactor(auth): rename login-token to token for consistency
Update all token references from 'login-token' to 'token' across the application. Also enhance TopBar with user menu functionality including logout and settings options.
- Standardize token cookie name for better maintainability
- Add dropdown menu to TopBar with logout functionality
- Implement click-outside behavior for menu
- Improve TopBar styling and user interaction
Add Font Awesome dependency and replace all emoji icons with corresponding Font Awesome icons across components. This provides better visual consistency and scalability.
