Flight lookup: OpenSky live data, i18n, PWA, visual redesign

README.md

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+# Flight Lookup
+
+A simple static webpage that takes a flight number and airline as input and displays the flight's origin and destination.
+
+## Files
+
+- `index.html` — page markup
+- `style.css` — styling
+- `data.js` — mock data source (airlines, airports, flights)
+- `app.js` — form handling and result rendering
+
+## Usage
+
+Open `index.html` in a browser, or serve the directory:
+
+```sh
+python3 -m http.server 8000
+```
+
+Then visit http://localhost:8000.
+
+## Example flights
+
+| Airline | Flight | Route |
+|---------|--------|-------|
+| American (AA) | 100 | JFK → LAX |
+| Delta (DL) | 123 | ATL → SFO |
+| United (UA) | 789 | ORD → LHR |
+| British Airways (BA) | 117 | LHR → JFK |
+| Lufthansa (LH) | 400 | FRA → JFK |
+
+## Data source
+
+Flight data is mocked in `data.js`. To use a real source (e.g. FlightAware AeroAPI), replace the `lookupFlight` function with an `fetch` call to the API.