graphhopper_url: "https://graphhopper.com/api/1/route"
mapquest_directions_url: "https://open.mapquestapi.com/directions/v2/route"
osrm_url: "https://router.project-osrm.org/route/v1/driving/"
+ fossgis_osrm_url: "https://routing.openstreetmap.de/"
# External authentication credentials
#google_auth_id: ""
#google_auth_secret: ""