[Stops] find stops in a GPS coordinates bounding box

Description

Get bus & train stops by Mobiliteit based on a bounding box in geojson.

Documentation: https://docs.api.tfl.lu/v1/en/RESTAPIs/StopPoint/box.html

Access the API: https://api.tfl.lu/v1/StopPoint/box/:SWlongitude/:SWlatitude/:NElongitude/:NElatitude

Here's an example:

{
    "type": "FeatureCollection",
    "features": [
        {
            "type": "Feature",
            "geometry": {
                "type": "Point",
                "coordinates": [6.101734, 49.528586]
            },
            "properties": {
                "id": 220102013,
                "name": "Bettembourg, Fankenacker"
            }
        }
        ...
    ]
}