Add path-bool library (#1952)

* Add path-bool library

* Cleanup code

* Cargo format

* Integrate boolean ops into graphite

* Add test for editor crash

* Fix edge sort floating point instability

* Add unit test for red-dress failure

* Backport tests and aux functions

* Use curvature based sorting

* Convert linear cubic splines to line segments

* Deduplicate reversed path segments

* Fix epsilon for empty segments

* Remove parameter based intersection pruning

* Add support for reversed paths

* Add benchmark infrastructure

* Add intersection benchmark

* Add recursion bound

* Implement support for overlapping path segments

* Remove rouge prinln

* Fix sorting for bezier segments with one control point at the start of the segment

* Cleanup log statements

* Directly translate graphite paths to Path segments

* Round data before passing it to path_bool

* Fix flag_faces traversal order

* Add test for white dots in bottom right of painted dreams

* Make rounding configurable

* Update demo artwork to remove manual path modifications

* Convert from path segments to manipulator groups directly

* Remove dead code

* Fix clippy lints

* Replace functions in path segment with methods and add documentation

* Add more documentation

* Close subpaths

* Reorganize files and add README.md

* Add license information

* Code review

* Fix license info

* Adopt new node macro and fix demo artwork

* Close subpaths with Z

---------

Co-authored-by: Keavon Chambers <keavon@keavon.com>

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