**Acceptance Criteria:**
* Enable the CampaignEvents extension on Meta-wiki
* Test for the following basic actions:
** Any user can create an event page in the event namespace
** Organizers are a configurable user group
** Only organizers who created an event page can enable registration
** Organizer can specify event date, time, time zone, location, video conference link, chat group link
** Organizer should see information at bottom of configuration form on what data is collected on participants and, if on a WMF project, reminder of WMF youth safety policy
** Time zone of event is displayed as follows:
*** In person: as specified by organizer
** Online & hybrid: time zone preference for logged in user, wiki default for logged out users
** Participant can join event by clicking on the 'Register' button
** Participant must agree to terms of use and privacy policy (if on a WMF project)
** Participant can choose between public and private registration
** Visibility rules are as follows:
*** Organizer can see list of all participants
*** Participants can see their registration info and public participants
*** General users can see list of public participants
** Confirmation email should be sent to participants after registering for event if:
*** They have email address associated with their account
*** They have not opted out of email communication via Preferences