Merge pull request amethyst#1269 from fhaynes/do-attribution

Updated README to reflect our Digital Ocean sponsorship

README.md

@@ -190,6 +190,14 @@ you can look through the [issue tracker][it].
 [it]: https://github.com/amethyst/amethyst/issues
 [gfi]: https://github.com/amethyst/amethyst/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22
 
+## Sponsors
+Amethyst is supported by:
+<p>
+  <a href="https://www.digitalocean.com?utm_medium=opensource&utm_source=amethyst/">
+    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px">
+  </a>
+</p>
+
 ## License
 
 Amethyst is free and open source software distributed under the terms of both