Squashed commit of the following:

- added private autostart script
    - removed cmus from backup scripts
    - separated more req install commands
    - cava change
    - i3 and rmpc ricing
    - added mpd to arch install. removed cmus
    - added mpv-mpris to autostart

env/.local/bin/system/start-scripts/autostart.sh

@@ -68,5 +68,9 @@ if [ "$(cat /etc/hostname)" == "Kasino" ]; then
 
     if [ -z "$(pgrep mpd)" ]; then
         mpd & disown
+        sleep 0.5s
+        nohup mpd-mpris -host localhost > /dev/null 2> /dev/null < /dev/null & disown
     fi
 fi
+
+[ -f "./autostart-priv.sh" ] && ./autostart-priv.sh