* capi: Add PathIter type and support for encoding fills
* capi: Minimal support for brushes (solid color only)
* Add flush method to command buffers
* Better initial heuristic for memory buffer size based on target dimensions
* Change pgpu-render header file generator to add a comment noting that the file is auto-generated
* Remove bin target and associated dependencies from piet-scene crate
* Remove FP constructors from the Color type
* Better codegen and rounding in Color::to_premul_u32()
* Add kurbo attribution for piet_scene::geometry module
