Add comment for future setup rewamp

setup.sh

@@ -26,6 +26,7 @@ install_packages() {
   apt install -y vim tree tmux neofetch simple-scan sane hplip novnc x11vnc xvfb xinit libglib2.0-bin dbus-x11
 }
 
+# NOTE in V3, we'll need to add saned to group lp
 add_users() {
   echo "Adding users"
   useradd -U -G sudo,lpadmin -m -s /bin/bash $user