Add the continue straight in waypoint option

[Martin317]

Feature

Is possible to add the feature continue straight to the trip endpoint?

I see a lot of people asking for it and i found it very useful.

In some cases we use the trip for optimize the route and navigate through it in a vehicle, the vehicles cannot u-turn in the middle of the street.

I understand the complexity of the algorithm, osrm is awesome. I think this feature makes it better yet.

thanks