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

feat: add image upscale using nearest-neighbor

feat: add image downscale using average

fix: image viewer function to display image

feat: check for errors when loading image

refactor: make move cursor handlers to one function