Merge branch 'dev' into 'master'

Implement first versions of file browser, text viewer and image viewer

See merge request bohacfr2/apo-sem!1

feat: add files contextmenu

refactor: split local file access

fix: incorrect table item offset

feat: add controls text file open

refactor: split browser window

feat: add pheripherals usage to file browser

feat: executing file add pipe for stderr

feat: use dialog for errors

feat: add default options, load options on startup

feat: add file executing

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

feat: implement basic directory browser window

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

docs: add device mount documentation

feat: add mime type options