-Darstellung der Karte: OSM Leaflet ([https://leafletjs.com/](https://leafletjs.com/)), Installation mit Befehl: `npm install leaflet`
-Darstellung der Karte: OSM Leaflet ([https://www.javascripttuts.com/using-leaflet-open-street-map-in-an-ionic-application-in-one-go/](https://www.javascripttuts.com/using-leaflet-open-street-map-in-an-ionic-application-in-one-go/)), Installation mit Befehl: `npm install leaflet`