Fix config spacing

dotfiles/i3/config

         bindsym Down        resize grow     height  200 px or 12 ppt
         bindsym Up          resize shrink   height  200 px or 12 ppt
         bindsym Right       resize grow     width   200 px or 12 ppt
-
         # back to normal: Enter or Escape
-        bindsym Return mode "default"
-        bindsym Escape mode "default"
+        bindsym Return      mode "default"
+        bindsym Escape      mode "default"
 }
 
 bindsym $mod+r mode "resize"
-
 # Start i3bar to display a workspace bar (plus the system information i3status
 # finds out, if available)
 bar {