i3: add dunstctl shortcuts

i3/multi/config

@@ -107,6 +107,12 @@ bindsym $mod+Shift+o restart
 # exit i3 (logs you out of your X session)
 bindsym $mod+Shift+p exec "i3-nagbar -t warning -m 'You pressed the exit shortcut. Do you really want to exit i3? This will end your X session.' -b 'Yes, exit i3' 'i3-msg exit'"
 
+# dunst
+bindsym Control+space exec dunstctl close
+bindsym Control+Shift+space exec dunstctl close-all
+bindsym Control+dollar exec dunstctl history-pop
+bindsym Control+period exec dunstctl context
+
 # resize window (you can also use the mouse for that)
 mode "resize" {
         bindsym t resize shrink width 10 px or 10 ppt