Add link to past events somewhere

• for reporting reasons, we should have a findable link somewhere to past events.

changed milestone to %Homepage Relaunch 2022 - Version 2.0

added 1 deleted label

assigned to @jandt-desy

added to-be-discussed label

double of https://gitlab.hzdr.de/hifis/overall/hifis.net/-/issues/255#note_1366387

close this

closed

changed milestone to %Homepage Relaunch 2022 - version for evaluation report hand-in