Displaying waypoints as they are in google maps

Nobody has claimed this yet.

I am setting the waypoints. They are applied but not displayed as it is on the google map (point B). Does mapbox support displaying waypoints? And if it does, then how is it possible?

I also tried changing style objects: `directions-waypoint-point` and `directions-waypoint-point-casing`, but useless.

Implementation:
```
this.map = new mapboxgl.Map({container: 'map'});
this.map.on('load', () => {
const directions = new MapboxDirections({
accessToken: this.accessToken,
unit: 'metric',
profile: 'mapbox/driving',
flyTo: false,
controls: {
inputs: false,
instructions: false,
profileSwitcher: false
}
});
directions.setOrigin([this.startLng, this.startLat]);
directions.removeWaypoint(0);
if (this.wayPoints && this.wayPoints.length) {
this.wayPoints.forEach((w, i) => {
directions.addWaypoint(i, [w.lon, w.lat]);
});
}
directions.setDestination([this.endLng, this.endLat]);
this.map.addControl(directions);
});
```

Request:
```https://api.mapbox.com/directions/v5/mapbox/driving/44.827095%2C41.715137%3B44.108409882%2C41.985412598%3B41.636745%2C41.616756.json?steps=true&overview=full&geometries=polyline&access_token=```

Start by reproducing the reported route with MapboxDirections using the shown setOrigin, addWaypoint, and setDestination calls, then inspect the directions-waypoint-point and directions-waypoint-point-casing styles. Compare the rendered waypoints with the supplied Google Maps image and the Directions API request. Done means documenting or implementing a supported way to display the waypoints as requested.

Written by the indexing model from the issue text.