message: Fix link to toggle-highlights image
diff: @@ -265,7 +265,7 @@ Have a look, give them a try, use a combination of tools that work best for you.
  <!-- Demo images -->
  -[demo-toggle-highlights]: https://github.com/nicoespeon/abracadabra/blob/main/docs/demo/toggle-highlights.png?raw=true
  +[demo-toggle-highlights]: https://github.com/nicoespeon/abracadabra/blob/main/docs/demo/toggle-highlights.gif?raw=true
  [demo-command-palette]: https://github.com/nicoespeon/abracadabra/blob/main/docs/demo/command-palette.png?raw=true
  [demo-abracadabra]: https://github.com/nicoespeon/abracadabra/blob/main/docs/demo/extract-variable-multiple-occurrences.gif?raw=true
  