The GTK4 port is complete!

• It lives in a separate repository: gtk4-layer-shell
• v1.0.0 has been released, and is available to be packaged for distros
• The GTK3 version will continue to be maintained here for the foreseeable future

Changelog

• Meson: mark wayland-scanner as a build-time dependency
• Docs: deploy docs to GitHub Pages
• Compat: bump supported GTK to v3.24.37