I'm more of a texture artist and have no experience with coding or creating a plugin. However it seems likely this plugin would work based on whats already been made. ZonenameID mod plugin would be likely be the best place to start and then finding out how to redirect the loading of game files to plugin mod folder.
https://github.com/onimitch/ffxi-zonename/blob/main/regionZones.lua#L6
If there's more artists that want to join in, it would help with the workload.
Some of the work already done for the project.




I have made some others, but they don't seem to fit the project.



