Description of change

• fix: adapt to breaking changes of llama.cpp
• fix: fix the The file “ggml-metal.metal” couldn’t be opened error

Fixes #116

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 - will be covered by tests in the next major version
• Documentation has been updated to reflect this change
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