wayfire: add module

[0x5a4]

Description

Adds a Module for the Wayfire Compositor. Also allows managing the wf-shell configuration.

May Close #3826

Checklist

• Change is backwards compatible.

• Code formatted with ./format.

• Code tested through nix-shell --pure tests -A run.all or nix develop --ignore-environment .#all using Flakes.

• Test cases updated/added. See example.

• Commit messages are formatted like

  {component}: {description}
  
  {long description}
  

  See CONTRIBUTING for more information and recent commit messages for examples.

• If this PR adds a new module

  • Added myself as module maintainer. See example.

Maintainer CC

[0x5a4]

I dont know why CI is failing, i didnt touch the affected module. The Test also fails on master for me.

[0x5a4]

I bundled the wf-shell module because I dont feel like its used outside of wayfire. I'm not sure if thats even possible. Though I understand if you would like me to separate it