Add i3 tray bar and fix formatting

.config/i3/config

@@ -155,9 +155,11 @@ bindsym XF86AudioLowerVolume exec --no-startup-id pamixer -d 4
 bindsym XF86AudioMute exec --no-startup-id pamixer -t
 
 bar {
+  id main
   font pango:Source Code Pro SemiBold, FontAwesome 10
   position top
   status_command .cargo/bin/i3status-simple
+  tray_output none
   colors {
     separator          #666666
     background         #222222
@@ -169,5 +171,18 @@ bar {
   }
 }
 
+bindsym $mod+t bar mode toggle tray
+bar {
+  id tray
+  mode hide
+  modifier none
+  position bottom
+  tray_output primary
+  workspace_buttons no
+  colors {
+    background #222222
+  }
+}
+
 # Set background image
 exec --no-startup-id feh --bg-scale $HOME/.wallpapers/simplistic-mountain.jpg