Added keys to increase/decrease sink 1 volume.

i3/config

@@ -53,13 +53,17 @@ bindsym $mod+Ctrl+m exec terminal -e 'alsamixer'
 
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+# Increase/decrease sink volume 1
+bindsym $mod+F2 exec pactl set-sink-volume 1 -5%; exec notify-send 'sink 1 volume decreased'
+bindsym $mod+F3 exec pactl set-sink-volume 1 +5%; exec notify-send 'sink 1 volume increased'
+
 # Screen brightness controls
 bindsym $mod+F6 exec "xbacklight -inc 5; notify-send \\"brightness up [$(xbacklight)%]\\""
 bindsym $mod+F5 exec "xbacklight -dec 5; notify-send \\"brightness down [$(xbacklight)%]\\""
 
 # Start Applications
 bindsym $mod+Ctrl+b exec terminal -e 'bmenu'
-bindsym $mod+F2 exec --no-startup-id pavucontrol
+#bindsym $mod+F2 exec --no-startup-id pavucontrol
 #bindsym $mod+F5 exec terminal -e 'mocp'
 bindsym $mod+F10 exec blueman-manager
 bindsym $mod+t exec --no-startup-id pkill compton