add zsh config, switch from fish

.config/i3/config

@@ -159,7 +159,7 @@ bindsym $mod+r mode "resize"
 set $mode_cmd [c st] [F firefox] [H hibernate] [L suspend] 
 
 mode "$mode_cmd" {
-     bindsym c exec st -e /usr/bin/fish; mode "default"
+     bindsym c exec st; mode "default"
      bindsym Shift+f exec "firefox"; mode "default"
      bindsym --release Shift+h exec "systemctl hibernate"; mode "default"
      bindsym --release Shift+l exec "systemctl suspend"; mode "default"