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.

首先检查 docs/turf-port.md 中 Java Turf 库尚未支持的条目，并将请求的行为与 Turf 的 lineIntersect 文档进行比较。添加对检测路线线与道路线之间交点并返回其坐标对的支持，然后使用具有代表性的线几何验证所得行为。