As a proof of concept I added area markers to Isle of Dawn.
[ ] Markers for other realms still need to be added.
[ ] When switching realms from the constellation, the map pans to the realm but does not update the area icons.
[ ] Add link from areas (i.e. on Spirit page) to Realm with query parameter to reveal marker... or make a separate Area page... and add link from area marker to area page?
As a proof of concept I added area markers to Isle of Dawn.