🚀 [Feature] Add `Event` Page that Shows Informations Specific for `Event`

Created by: Elweyn

🚀 Feature

As a user I want to see specific Event Information on an event page.

View event page like post with additionals:

• meeting point:
  • details see #6044 (closed)
• start date-time
  • details see same
• optional: duration
  • details see same