registry: add github backend for typst

[3w36zj6]

This pull request adds a GitHub backend for Typst to the registry.

[gemini-code-assist]

Summary of Changes

Hello @3w36zj6, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the Typst registry by incorporating a new GitHub backend. This addition provides an alternative installation method for Typst, making it more accessible to users who prefer or require GitHub-based distribution.

Highlights

• New Backend Integration: Integrated a GitHub backend for Typst into the registry configuration.

Changelog

• registry/typst.toml
  • Added the 'github:typst/typst' entry to the list of available backends.

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[gemini-code-assist]

Code Review

This pull request adds the github backend for typst. This is a good addition, providing a robust, native fallback for the aqua backend. The new backend is correctly placed in the list according to the likely preference order of backends. The change is sound and improves the robustness of installing typst. I have no further comments.

[Copilot]

Pull request overview

This pull request adds a GitHub backend to the typst registry entry, allowing users to install typst directly from GitHub releases. This provides an additional installation method alongside the existing aqua, asdf, and cargo backends.

Changes:

• Added "github:typst/typst" backend entry to the typst.toml registry file

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