0.01: Moved message icons from messages into standalone library
0.02: Added several new icons and colors
0.03: Fix icons broken in 0v02 (#2386)
      Store all icons in a separate binary file (much faster lookup)
0.04: Add message icon for 'clock'
0.05: Add message icon for 'jira'
0.06: Add message icon for 'molly' and 'threema libre'
0.07: Minor code improvements
0.08: Add more icons including GMail, Google Messages, Google Agenda
0.09: Add Bereal, Nextcloud, Thunderbird, Davx⁵, Kleinanzeigen, Element X
