feat: add zooming to cursor

feat: optimize upscale to not use floats

feat: use NN for downscaling and optimize without using floats

fix: add packed attributes to needed structs

fix: include xwin only for computer

feat: add zoom reset

fix: image region move within to not set wrong x, y

refactor: handle correctly get and set pixel out of bounds

fix: movement within border underflow of unsigned integer

fix: cursor size to look natural

fix: cursor uninitialised fields

fix: fragments when resizing

fix: cursor render coordinates

fix: commands execution out of bounds

refactor: unify cursor functions

refactor: add option to clear display without render

feat: add option to run on x86 computer with sdl

feat: add possibility to write only to part of the display

feat: add image write to display

feat: add image direct write to display