As a user who is on Special:RegisterForEvent, I want to be able to easily navigate back to the event page at any time, in case I want to look back at information on the event before deciding to register or if I want to view the event page after registering for an event.

Acceptance Criteria:

• Given that a user is on Special:RegisterForEvent,
  • They should see text at the top of the page: "Back to event page"
    • And the text should link back to the event page