message: Add tip for running in XWayland
diff: @@ -159,7 +159,9 @@ Just Works.
  disappears. Actual throughput and rendering performance are still better in
  Alacritty.
  - _Is wayland supported?_ Not yet. Alacritty is currently on a fork of glutin
  - that needs some updates to work with Wayland.
  + that needs some updates to work with Wayland. To stop glutin from detecting
  + Wayland (e.g. for use on XWayland) launch Alacritty like this:
  + `env WAYLAND_DISPLAY= alacritty`
  - _When will Windows support be available?_ When someone has time to work on it.
  Contributors would be welcomed :).
  - _My arrow keys don't work_ It sounds like you deleted some key bindings from
  