Feature request: Support Unix domain socket as the nginx-ui listen address

Would it be possible to support configuring nginx-ui to listen on a Unix domain socket instead of a TCP address/port?

For example, something like:

[server] listen = /run/nginx-ui/nginx-ui.sock

or an equivalent configuration option.

This would be useful when nginx-ui is intended to be accessed only through a local nginx reverse proxy. It would avoid opening another TCP listener, even on 127.0.0.1, and would fit well with systemd's RuntimeDirectory= mechanism.

For example:

[Service] RuntimeDirectory=nginx-ui

could provide:

/run/nginx-ui/nginx-ui.sock

and nginx could proxy to it with:

location / { proxy_pass http://unix:/run/nginx-ui/nginx-ui.sock:; }

Is Unix domain socket listening something that could be supported?