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.

Beginne mit der Überprüfung der nicht unterstützten Einträge der Java Turf-Bibliothek in docs/turf-port.md und vergleiche das angeforderte Verhalten mit der Dokumentation zu Turf's lineIntersect. Füge Unterstützung für die Erkennung von Schnittpunkten zwischen Routen- und Straßenlinien sowie für die Rückgabe ihrer Koordinatenpaare hinzu und überprüfe anschließend das resultierende Verhalten anhand repräsentativer Liniengeometrien.