compositor

See swaywm/sway#5299 (comment)

We need to add license compatibility checkers to our CI to ensure no copyleft or Apache2-incompatible licenses are ever merged into the project, even as transient dependencies.

For Rust dependencies from crates.io, we should use Embark's cargo-deny.

For Node dependencies from npm, I found [license-checker](https://www.npmjs.com/package/license-c

This is a very simple shell protocol only allowing for fullscreen surfaces. You can find a very basic implementation here: https://github.com/swaywm/wlroots/blob/master/examples/fullscreen-shell.c

Implement a Progressbar for the Image Export dialog to show that the image is exporting. Use the threading module to keep the GUI from freezing.