(Re-) format news badges on main page

See previous comments on this

• Decide on usage of categories
• Implement

changed milestone to %Homepage Relaunch 2022 - Version 2.0

added Enhancement::UX label

mentioned in merge request !360 (merged)

changed the description

added 1 deleted label

assigned to @jandt-desy

marked the checklist item Decide on usage of categories as completed

marked the checklist item Implement as completed

mentioned in commit 17f6ea70

closed

changed milestone to %Homepage Relaunch 2022 - MVP (Version 1.0)