message: docs(readme): fix maintainer guidelines link
diff: @@ -14,7 +14,7 @@ Reactive Extensions Library for JavaScript. This is a rewrite of [Reactive-Exten
  - [Code of Conduct](CODE_OF_CONDUCT.md)
  - [Contribution Guidelines](CONTRIBUTING.md)
  -- [Maintainer Guidelines](doc_app/content/maintainer-guidelines.md)
  +- [Maintainer Guidelines](docs_app/content/maintainer-guidelines.md)
  - [API Documentation](https://rxjs.dev/)
  ## Versions In This Repository
  