feat: add file executing and folder browsing

feat: add get file local path so it can be executed

feat: implement basic directory browser window

feat: add support for font family

docs: add new todos

fix: include mzapo sdl only for computer

feat: add text zoom to file browser

feat: add file browser main loop

feat: add gui list commands for scrolling and clicking items

feat: add initial window

feat: add list container selected index, padding and colors

feat: add mzapo sdl

fix: add linking of gui lib for file browser

docs: add device mount documentation

fix: options to cast to intptr instead of uint

feat: add mime type options

fix: get corret errno on file copy

feat: implement device mount using system

fix: set extern file access correctly

fix: endif comment out name of if