Review `npm registry` docs for technical accuracy
As part of https://gitlab.com/gitlab-com/gitlab-OKRs/-/work_items/6978, we need to review the technical accuracy of https://docs.gitlab.com/ee/user/packages/npm_registry/index.html
As part of https://gitlab.com/gitlab-com/gitlab-OKRs/-/work_items/6978, we need to review the technical accuracy of https://docs.gitlab.com/ee/user/packages/npm_registry/index.html