Show UserLocation and UserTracking example

This will show the user location on the map

Objective-C

[self.map setShowsUserLocation:YES];

Swift

self.map?.showsUserLocation = true

This will track the user location on the map, updating regions according

Objective-C

[self.map setUserTrackingMode:MKUserTrackingModeFollow];

Swift

self.map?.userTrackingMode = .follow