When no config file is found, the bar will now automatically instead load a hard-coded default consisting of the `focused` and `clock` modules, and a `label` informing you the bar is not configured. Instructions are also printed to the log.
This is pretty much a rewrite of the Wayland client code for `wayland-client` and `wayland-protocols` v0.30.0, and `smithay-client-toolkit` v0.17.0