prescription: just add pipewire script

prescription.d/switch-to-pipeware.sh

+#!/bin/sh
+
+[ "$1" != "--run" ] && echo "Switch to using Pipeware" && exit
+
+. $(dirname $0)/common.sh
+
+assure_root
+exit
+
+[ "$(epm print info -s)" = "alt" ] || fatal "Only ALTLinux is supported"
+
+
+epm install pipewire pipewire-utils pipewire-libs
+# TODO: user??
+systemctl --user --now disable pulseaudio.service pulseaudio.socket
+systemctl --user --now enable pipewire pipewire-pulse
+systemctl --user --now enable pipewire-media-session.service
+systemctl --user mask pulseaudio
+#systemctl reboot
+
+echo "Done. Just you need reboot your system to use Pipeware."