feat: Phase 3 - public registration pages and Mailwizz config

.env.example

@@ -4,6 +4,9 @@ APP_KEY=
 APP_DEBUG=true
 APP_URL=http://localhost
 
+# Wall-clock times from the admin UI (datetime-local) are interpreted in this zone.
+APP_TIMEZONE=Europe/Amsterdam
+
 APP_LOCALE=en
 APP_FALLBACK_LOCALE=en
 APP_FAKER_LOCALE=en_US