Please add cairo dock.

I am using it at the moment:

https://imgur.com/HqqS50z

And I use Wayland on KDE:

```
$ echo $XDG_CURRENT_DESKTOP $XDG_SESSION_TYPE
KDE wayland
```
And it works just fine, after adding https://github.com/dkondor/cairo-dock-plug-ins for effects as well.