Add Bezier Patch support

[joe-warren]

On the Waterfall-CAD discord, there's been some discussion of adding support for "Bezier Patches".

This would involve implementing the Geom_BezierSurface class to OpenCascade-hs (and possibly some support classes, like TColgp_Array2OfPnt).

It would also involve figuring out how to expose these in Waterfall-CAD: it's possible we need a wrapper for TopoDS_Shell, that would be eqivalent to the relationship between Waterfall.Solid as a wrapper for TopoDS_Solid