feat: allow horizontal scroll in initial window

feat: make copy-executable copy another needed files to mz_apo

refactor: remove todos

feat: add dialog for contextmenus on folders

feat: add files contextmenu

feat: add text viewer better keyboard controls

fix: add correct error if file cannot be executed

refactor: split local file access

refactor: split imageviewer to more functions and files

refactor: split textviewer to more functions and files

refactor: minimize filebrowser main functions

fix: incorrect table item offset

refactor: split filebrowser main to more functions

feat: add controls text file open

fix: dialog overflow

fix: always show selected item on zooming

fix: set rgb leds to lower brightness

refactor: split browser window

fix: log not enough arguments as error

feat: add image viewer mode indicator