Add system actions script

.config/sxhkd/bspwm

@@ -8,10 +8,6 @@
 super + shift + r
 	bspc wm -r && notify-send -t 1000 "bspwm reloaded."
 
-# Logout
-super + shift + e
-	prompt.sh "Logout and exit bspwm?" "bspc quit"
-
 
 ##--- Node ---##
 

.config/sxhkd/i3

@@ -6,10 +6,6 @@
 super + shift + r
 	i3-msg restart
 
-# Logout
-super + shift + e
-	prompt.sh "Logout and exit i3?" "i3-msg exit"
-
 #--- Window ---#
 
 # Kill focused window

.config/sxhkd/sxhkdrc

@@ -20,17 +20,9 @@ super + {_,shift} + m
 super + ctrl + r
 	pkill -USR1 -x sxhkd && notify-send -t 1000 "sxhkd reloaded."
 
-# Lock
-super + alt + s
-	$HOME/.scripts/wm/lock.sh
-
-# Shutdown
+# System
 super + shift + s
-	prompt.sh "Shutdown computer?" "poweroff"
-
-# Reboot
-super + shift + w
-	prompt.sh "Reboot computer?" "reboot"
+	system.sh
 
 # Screen brightness
 super + {F2,F3}