Add media keyboard commands

config/i3/config

@@ -35,6 +35,14 @@ bindsym $mod+Return exec i3-sensible-terminal
 # kill focused window
 bindsym $mod+Shift+q kill
 
+# Pulse Audio controls
+# increase sound volume
+bindsym XF86AudioRaiseVolume exec --no-startup-id pactl set-sink-volume 0 +5%
+# decrease sound volume
+bindsym XF86AudioLowerVolume exec --no-startup-id pactl set-sink-volume 0 -5%
+# mute sound
+bindsym XF86AudioMute exec --no-startup-id pactl set-sink-mute 0 toggle
+
 # start dmenu (a program launcher)
 #bindsym $mod+d exec dmenu_run
 bindsym $mod+space exec dmenu_run