feat: resolveModelFile method

[giladgd]

Description of change

• feat: resolveModelFile method
• feat: hf: URI support
• fix: improve GGUF metadata read times
• fix: hide internal type
• docs: document the hf: URI

Fixes #349

Pull-Request Checklist

• Code is up-to-date with the master branch
• npm run format to apply eslint formatting
• npm run test passes with this change
• This pull request links relevant issues as Fixes #0000
• There are new or updated unit tests validating the change
• Documentation has been updated to reflect this change
• The new commits and pull request title follow conventions explained in pull request guidelines (PRs that do not follow this convention will not be merged)

[github-actions]

🎉 This PR is included in version 3.1.0 🎉

The release is available on:

• v3.1.0
• npm package (@latest dist-tag)
• GitHub release
• v3.1.0

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