Added Features
#43 improved documentation
#121 better default layout
#45 camera source is selectable from multiple sources
#90 turn on/off photo effects in settings menu
#79, #100 added busy indicator while printer is busy with printing and preparing print
#84 added option to print multiple copies of a collage
#78 added option to disable the snapshot settings
Fixed bugs
#128 Snapshot view did not recover after error
#127, #122 and #77 fixes bug that deleting photos will not work
#120 collages with "printable = false" were printable
#108 setting the system time did not work
#73 fixing text length for translations
Images for Raspberry Pi 3 and 4 are published.