[WIP] Tutorial to clip a feature collection

[asinghvi17]

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[asinghvi17]

The coverage code would be nice to create a clipping function with, maybe using extents as input. We can get away with losing a lot of exactness since it's not required (one of the polygons is guaranteed to have axis aligned edges, after all).

https://github.com/JuliaGeo/GeometryOps.jl/blob/main/src/methods/clipping/coverage.jl

A nice API would be intersection(polygon, rect) which could be called by intersection(multipolygon, rect). From there the core algorithm also generalizes to lines.

One issue is that holes will be cut the same as polygons. We should have a correction for this, which fixes polygons with holes for which one of the hole's edges is fully overlapped by one of the polygon's edges, and "dissolves"
the hole by cutting into the polygon. This will add time but create a more correct result. Winding order will have to be respected though.