Prefer networksetup and skip root runs#30

Open

gileswells wants to merge 3 commits intoeprev:masterfrom

gileswells:master

Commits on Nov 16, 2022

Replace airport and scselect commands with the networksetup command.
Augustin Martignoni
committed

Commits on Nov 20, 2022

Generalise selection of WiFi hardware interface.
Augustin Martignoni
committed

Commits on Dec 20, 2022

Add skip for the root run to address issue #28
gileswells
committed