message: Link out to backstage.io from README
diff: -# Backstage
  +# [Backstage](https://backstage.io)
  [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
  ![](https://github.com/spotify/backstage/workflows/Frontend%20CI/badge.svg)
  @@ -11,6 +11,8 @@ The philosophy behind Backstage is simple: Don't expose your engineers to the fu
  ![headline](headline.png)
  +For more information go to [backstage.io](https://backstage.io)
  +
  ## Project roadmap
  We created Backstage about 4 years ago. While our internal version of Backstage has had the benefit of time to mature and evolve, the first iteration of our open source version is still nascent. We are envisioning three phases of the project and we have already begun work on various aspects of these phases:
  