* feat: add first person view (FPV) functionality and HUD
- Updated FlightCard component to include FPV toggle button and state management.
- Introduced FpvHud component for displaying flight data in FPV mode.
- Enhanced useFlights hook to support FPV bounding box logic for fetching flights.
- Added keyboard shortcuts for toggling FPV mode.
- Updated settings to include FPV-related configurations (pitch, chase distance).
- Implemented major airports caching for improved performance.
- Added fetchFlightByIcao24 function for single aircraft state retrieval.
* Refactor CameraController and ControlPanel components; enhance flight search functionality
- Simplified CameraController by removing unused refs and effects, and centralized map interaction management.
- Updated ControlPanel to support flight lookup with new props and integrated flight search results.
- Enhanced SearchContent to include flight matching logic and improved user feedback for flight searches.
- Introduced caching for flight callsign lookups in OpenSky API integration to optimize performance.
- Removed unnecessary settings related to FPV pitch and free camera mode from use-settings hook.
* feat: enhance FPV functionality and improve flight data handling
- Added `projectLngLatElevationPixelDelta` function to calculate pixel deltas based on longitude, latitude, and elevation.
- Updated `CameraController` to utilize new FPV parameters and improve camera behavior during flight.
- Enhanced flight data handling in `FlightLayers` to ensure proper tracking and display of flight information.
- Improved UI components for better user experience, including adjustments to the FPV HUD and flight card.
- Added error handling for image loading in the control panel.
- Refactored altitude and speed calculations to ensure they handle non-finite values gracefully.
- Adjusted map attribution behavior for better responsiveness on different screen sizes.
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