Add support for publishing npm packages

This would need to:

- Set `repository` element in `.tgz` package file
- Optionally change scope of package and dependencies

### Related

- I want to use same scope for npm package and GitHub Package Registry (ZD-774662)
https://gist.github.com/azu/31530916cbce0fd2fc1f4d8f6cf0fae1#gistcomment-3227468