Bump version to 0.5.0

cargo: Update dependencies

Remove unwanted unreachable macro

This causes issues on sway 1.9, where a wl_output::enter hits the
fallback fn.

Bump version to 0.4.1

cargo fmt

cargo: Update dependencies

Bump version to 0.4.0

Restrict wl_output to version 3

Update dependencies version: wayland-*,sctk

readme: Add discuss section

Add configurable color to headline and prompt

Update greetd_ipc dependency

Read result for CancelSession properly

Workaround for recent layer-shell impl changes

Update Cargo.lock

Bump version to 0.2

cargo: Use the greetd_ipc crate

cargo fmt

Update greet_proto

Fix default configuration file format

Default config was still using json, however it was changed to toml in
5f8594aa146b6a4beea70e035269e8a0f588eb19