feat: implement vehicle management system
Vehicle Management Features
- Add reusable vehicle components (VehicleCard, AssignedVehicleCard, VehicleHistoryCard)
- Implement vehicle details screen with maintenance history and documents
- Add vehicle info card with curved cuts and license badge styling
- Create maintenance history section with animated timeline
- Add Zustand store for vehicle state management
- Include documents section with insurance, registration, and permit links
- Support vehicle filtering and search functionality
Closes VSN-1267