Add compton controls to i3

i3/.config/i3/config

@@ -176,7 +176,9 @@ mode "resize" {
 }
 
 bindsym $mod+r mode "resize"
-exec --no-startup-id compton &
+bindsym $mod+c exec compton --config ~/.config/compton/compton.conf
+bindsym $mod+x exec pkill compton
+
 gaps inner 15 gaps outer 5
 for_window [class="^.*"] border pixel 3
 client.focused #4c7899 #285577 #ffffff #2e9ef4 #FF0000