How to create indoor position system From DWG file In Three JS [wayfinging]

I looking for a solution for wayfinding
I have AutoCAD Drawing new to create a map and navigation system
Expample
https://mobile.theguide.al-arabia.com/amap/map.php?site=OUTLET01&device=OUTLETMALL-DEMO-03&from=_18688_11316_0&to=_26225_17366_0&lang=EN