Add arrivals-and-departures-for-location support

[ualch9]

This was added to OBA in Q4 2022 and we should use it to show arrival departures on the main map screen (alongside nearby stops).

http://developer.onebusaway.org/modules/onebusaway-application-modules/current/api/where/methods/arrivals-and-departures-for-location.html

[ualch9]

The sample endpoint in the above link uses Puget Sound as the example, but it currently 404s.