feat: implement main home screen navigation interface

Home Screen Implementation

Core Components

• Create reusable HomeCard component with theme support and cross-platform shadows
• Add FontAwesome icon integration with customizable colors and backgrounds
• Implement TouchableOpacity interactions with disabled states

Home Screen Features

• Build animated HomeScreen with staggered card entrance animations
• Add navigation routing to 5 main app sections (trajets, horaires, historique, absence, documents)
• Include fade/slide animations and notification badge integration
• Configure ScrollView with safe area and theme context support

Tab Navigation

• Integrate HomeScreen into main tab navigation structure
• Export HomeTabScreen component for router compatibility

Close VSN-1794