Add support for turf-line-intersect

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Expected Behavior

I want to detect which roads intersect the route line I've drawn on the map and the coordinate pairs for these intersections.

Current Behavior

Currently there is no way to do this that's doesn't require a lot customer math on the part of the developer. This is because our Java Turf library does not support turf-line-intersect.

Possible Implementation

Porting Turf's lineIntersect would be the most consistent, straightforward way to handle the above use case.

Commencez par examiner les entrées non prises en charge de la bibliothèque Java Turf dans docs/turf-port.md et comparez le comportement demandé avec la documentation de lineIntersect de Turf. Ajoutez la prise en charge de la détection des intersections entre les lignes d’itinéraires et de routes et du renvoi de leurs paires de coordonnées, puis vérifiez le comportement obtenu avec des géométries de lignes représentatives.