Specifically, instead of
services.dbus.packages = with pkgs; [ gnome.dconf ];
we now recommend
programs.dconf.enable = true;
which does the same and more.
* pulseeffects: change default example
pulseeffects-pw is now an alias to easyeffects, and the `pulseeffects` binary
that this module references is no longer in that package.
* easyeffects: add module
The easyeffects service is the PipeWire equivalent of the pulseeffects
service.