ST_Subdivide function

[ebocher]

Implements a function to split a geometry as POSTGIS does : https://postgis.net/docs/ST_Subdivide.html

It would be useful to perform overlay op on large geometry.

[ebocher]

An interesting link here https://stackoverflow.com/questions/64252638/how-to-split-a-jts-polygon

and several very useful algorithms for spatial analysis from @micycle1 https://github.com/micycle1/PGS