feat(docs): Improve `docs.npmjs.com`

[darcyclarke]

Summary

Make improvements to docs.npmjs.com to allow it to be maintainable.

Exit Criteria

• [ ] add npm query inline demo
  • [ ] Create browser friendly bundle of arborist/query-selector-all
  • [ ] Use react-live component from primer/doctocat to run bundled query code
  • [ ] Create ~3-5 predefined arborist trees to query against
• [ ] Use primer/doctocat upstream docs theme TODO: add tracking PR
  • [x] Update dependencies
  • [x] Make + test changes (theme, config, components) needed to use primer/doctocat
  • [ ] Make PR to primer/doctocat with upstream changes needed
  • [ ] Install primer/doctocat and use Gatsby theme shadowing for any needed changes in npm/documentation
  • [ ] Deprecate/archive npm/doctornpm
• [ ] Update npm/cli + npm/documentation build process
  • https://github.com/npm/cli/pull/5309
  • [x] Remove duplicate work being done in both repos
  • [x] Remove generated content from source in npm/cli
  • [x] Install cli as dependencies in npm/documentation
  • [ ] Build docs daily + workflow_dispatch from npm/cli
  • [ ] Allow npm/cli to have workspaces with non-bundled production deps

Stretch Goals

• [ ] Upate to mdx v2 with breaking content changes
• [x] Leverage PR preview deployments for GitHub Pages
  • https://github.com/npm/documentation/pull/168
  • https://github.com/npm/documentation/pull/170
  • https://github.com/npm/documentation/pull/171
  • https://github.com/npm/documentation/pull/173
  • [x] Archive docs-staging repo https://github.com/github/npm-cli/issues/108
• [ ] investigate leveraging Gatsby's existing cache for builds