Map Overlays Clarification

How does one use the Map Overlays in the Maps Features?

I was hoping that I could insert an overlay/layer of property boundaries using something like tax id overlay.

To learn more about Litchi Hub features, follow this guide:

the link does not work

Worked just fine for me

Right now, you can import Geotiff Ortophotos as map overlays. But this feature is still in progress/alpha. Give it a try and let us know if you have any feedback!