kalender links : https://calendar.google.com/calendar/embed?src=cec2af8741d12c2493b2eeedc86b74c1c3025957310743032a33d09008799192%40group.calendar.google.com&ctz=Europe%2FCopenhagen
https://calendar.google.com/calendar/ical/cec2af8741d12c2493b2eeedc86b74c1c3025957310743032a33d09008799192%40group.calendar.google.com/public/basic.ics