[WIP] Enable private npm registries

[hulutter]

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Proposed changes

First draft of enabling private npm registries and internal package cache.

Types of changes

What types of changes does your code introduce to Lowcoder?
Put an x in the boxes that apply.

• [ ] Bugfix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Documentation Update (if none of the other choices apply)

[netlify[bot]]

👷 Deploy request for lowcoder-test pending review.

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🔨 Latest commit	9857ef2b38aa0b9b7f8363218a238fba8ef1eec6