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

Hi could you share your source code I’m still learning three js this will be helpful for me
Here is my email mr.crusader36@gmail.com

“Hi Awais_Arif I’ve been following your work on navigation system and I’m really impressed by what you’ve achieved. If it’s not too much trouble, would you be willing to share your source code with me? I believe it could greatly help me understand navigation system better. Of course, I completely understand if that’s not possible. Thank you for your consideration.” Here is my email FieeLiNaNa@proton.me