initial commit
list of screen settings
attach function to buttons
apply changes to presets
add "right-of" to xrandr line, close window when applying presets
add post_command
load preset from file
print out config as json
read and write json config
pretty print json file
edit + save the post_command
ask xrandr for available screens
get available screens from config
button to add presets
refactor list entry generation
delete presets
refactor - add button images directly
rename presets
fix activate button connect
fix all-breaking typo!