Interface Definition: done
Server-Side-Implementation: partly done (CR missing, potential Refactor, ...)
Client-Side-Implementation: started: (UI: done, Service: started, but works with SSR)
Missing: Permissions / Roles to restrict access to an event.
Missing: Fields on Event.
Missing: Good Styling
Time-Took: about 12 Hours.
Learning: Commit in smaller packets, rest will be discussed at CR
