refactor: split imageviewer to more functions and files

feat: add image viewer mode indicator

feat: add correct error messages for text viewer and image viewer

feat: add mzapo sdl

refactor: add errors to enum

feat: turn on red led on error

refactor: split pheripherals to separate library

fix: close program after not loading image

feat: make better logging of start

fix: commands execution out of bounds

feat: add option to run on x86 computer with sdl

fix: add check for errors to main function

feat: add main implementation

feat: create initial structure for image-viewer