cli (base): new `a_quit` method to run async cleaning methods: it may be necessary to run some async cleaning method (e.g. if bridge is needed), this new method handles async cleaning method, and will be called when `SystemExit` is used, or if `a_quit` is called explicitely. rel 426

#!/bin/sh

eval $(dbus-launch --sh-syntax)

nohup /usr/bin/Xtigervnc -geometry 1024x768 -desktop "Libervia e2e test" -rfbport 5900 -SecurityTypes None :0 &
nohup openbox &
exec libervia-backend fg