It talks about building your own shrine as a player owned place using some drag drop interface but I can not find any more info on that. Not in the wiki or image search on Google.
The wiki is very, very out of date and it's something that's undergoing an overhaul (when Dan can get time to do so).
Player-owned places are fairly straightforward to learn once you're in there, but the drag-and-drop is a reference to the programming aspects of a place. They're mostly conditional things, like being able to display different descriptions for different times of day... but they go all the way up to being able to set up logic chains sufficient to set variables based on past events, displaying different things depending on what room a player came into a given room from... there's a lot of depth to it that I've never mucked with.
From what I can tell 'shrine' is being used metaphorically to describe a player 'Place', and the drag-drop part might be a Place Program? There's not a lot of documentation without jumping in.
I haven't played but I've read way too much about it since following Dan on Masto/Fediverse. Someday if I ever have time and bandwidth again I've really got to get on there.
