Integrated CCu3 WebServer does not redirect requests to react router

[firsttris]

for nginx you need to do this:
https://www.barrydobson.com/post/react-router-nginx/

[firsttris]

if you reload any additional path to /addons/mui/ you will get a 404

if you refresh the browser on this path => /addons/mui/rooms/ you will get a 404

refresh /addons/mui/ works as expected.

acceptance criteria:

you can load any other additional path.