Request a range for the EV vehicle with the given parameters and display it on the map
This example calculates the range for the EV vehicle starting its trip from the Brandenburg Gate in the centre of Berlin.
Access to the routing service is obtained from the H.service.Platform by calling
      getRoutingService(). The calculateIsoline() method is used to calculate the range
      for the vehicle with the given parameters as defined in
       Isoline Routing API.
      The styling and display of the response is under the control of the developer.