[Backport 24.11] ghostty: add module

[getchoo]

Description

Manual backport of #6235, #6260, and #6261

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}
  

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• If this PR adds a new module

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Maintainer CC

@HeitorAugustoLN

[rycee]

Thanks! Rebased to the release-24.11 branch in bd65bc3.