message: Add artsy open source footer
diff: @@ -162,3 +162,28 @@ The Emission app (in `Example/`) is deployed automatically to TestFlight once a
  ## License
  [![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fartsy%2Femission.svg?type=large)](https://app.fossa.io/projects/git%2Bgithub.com%2Fartsy%2Femission?ref=badge_large)
  +
  +## About Artsy
  +
  +<a href="https://www.artsy.net/">
  + <img align="left" src="https://avatars2.githubusercontent.com/u/546231?s=200&v=4"/>
  +</a>
  +
  +This project is the work of engineers at [Artsy][footer_website], the world's
  +leading and largest online art marketplace and platform for discovering art.
  +One of our core [Engineering Principles][footer_principles] is being [Open
  +Source by Default][footer_open] which means we strive to share as many details
  +of our work as possible.
  +
  +You can learn more about this work from [our blog][footer_blog] and by following
  +[@ArtsyOpenSource][footer_twitter] or explore our public data by checking out
  +[our API][footer_api]. If you're interested in a career at Artsy, read through
  +our [job postings][footer_jobs]!
  +
  +[footer_website]: https://www.artsy.net/
  +[footer_principles]: culture/engineering-principles.md
  +[footer_open]: culture/engineering-principles.md#open-source-by-default
  +[footer_blog]: https://artsy.github.io/
  +[footer_twitter]: https://twitter.com/ArtsyOpenSource
  +[footer_api]: https://developers.artsy.net/
  +[footer_jobs]: https://www.artsy.net/jobs
  