http://bhavita.space/build/ Not working

[kittypitty]

Describe the bug
http://bhavita.space/build/ Not working , Tried following your instructions in my own cloned but same issue.

To Reproduce

Link at location showing three buttons on left side , nothing else.

Expected behavior
Clean UI with option to add new items in to given floor plan as was for 3DBluePrint Original Library

Screenshots

"Serving HTTP on :: port 8000 (http://[::]:8000/) ...
::1 - - [11/Oct/2020 13:10:05] "GET / HTTP/1.1" 304 -
::1 - - [11/Oct/2020 13:10:05] code 404, message File not found
::1 - - [11/Oct/2020 13:10:05] "GET /app.ba513e08.css HTTP/1.1" 404 -
::1 - - [11/Oct/2020 13:10:05] code 404, message File not found
::1 - - [11/Oct/2020 13:10:05] "GET /app.ce535e36.js HTTP/1.1" 404 -
::1 - - [11/Oct/2020 13:10:05] code 404, message File not found
::1 - - [11/Oct/2020 13:10:05] "GET /app.ba513e08.js HTTP/1.1" 404 -
::1 - - [11/Oct/2020 13:10:05] code 404, message File not found
::1 - - [11/Oct/2020 13:10:05] "GET /blueprint.e75f431d.js HTTP/1.1" 404 -"

If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):
Tried all chrome , firefox & edge

Additional context
Overall this library is great effort in overhauling this ecosystem , really appreciate