Prepare script if project is outside .git root directory

[DannyTh1]

Troubleshoot

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  https://typicode.github.io/husky/troubleshoot.html

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https://typicode.github.io/husky/migrate-from-v4.html

Context

• If the .git root directory is outside of project that init husky, what would the package.json script look like for "prepare"? The example provided in the docs only works if .git is in the same level. When running the instal.mjs script, it also errors saying husky() is not a function