feat: add flight tracking components and hooks

- Introduced FlightCard component for displaying flight information with animations.
- Added ScrollArea component for custom scroll behavior.
- Implemented StatusBar component to show flight count and loading status.
- Created useFlights hook for fetching and managing flight data based on city selection.
- Developed useSettings hook for managing user settings with local storage persistence.
- Added useTrailHistory hook for managing flight trail data.
- Defined City type and CITIES constant for city data management.
- Implemented flight utility functions for altitude and speed conversions.
- Created map styles for different visual representations.
- Added OpenSky API integration for fetching flight data.
- Implemented utility functions for class name merging.
- Configured TypeScript settings for the project.

.gitignore

@@ -0,0 +1,43 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/versions
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/build
+.github
+
+# misc
+.DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.pnpm-debug.log*
+
+# env files
+.env*
+!.env.example
+
+# vercel
+.vercel
+
+# typescript
+*.tsbuildinfo
+next-env.d.ts