Change fields order and add field url.
Change fields order and add field url.

Signed-off-by: Mariusz Fik <e22610367d206dca7aa58af34ebf008b556228c5@fidano.pl>

hackerspace-silesia/calendar-oswiecim,firemark/calendar-oswiecim,Fisiu/calendar-oswiecim,firemark/calendar-oswiecim,hackerspace-silesia/calendar-oswiecim,firemark/calendar-oswiecim,Fisiu/calendar-oswiecim,Fisiu/calendar-oswiecim,hackerspace-silesia/calendar-oswiecim