This PR was originally authored by @stephenwade. It adds the `packageManager` property to the `createPackageJson` function that ensures the generated `package.json` uses the same package manager that was used when generating it.
## Current Behavior
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## Expected Behavior
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## Related Issue(s)
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Fixes #
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Co-authored-by: Stephen Wade <stephen@stephenwade.me>
Co-authored-by: Stephen Wade <stephen.wade@avb.net>
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