Add Basic Auth possibility

[Disinterpreter]

Is your feature request related to a problem? Please describe

[web.py:log_exception()] - 401 GET /websocket (46.226.165.173): Basic Auth is not supported

Describe the solution you'd like

Add possibility to work with Basic Auth

Describe alternatives you've considered

-

Additional information

I just wanted to proxy my Mainsail to the internet, but with local Basic Auth (for security), but moonraker told me that it is impossible.

Thanks! Hope you get me.