Added The Chiedo Companies to the list of sites built with Gatsby 1.0 (#1598)

* Added The Chiedo Companies site to the list

* Minor

Author: chiedo

README.md

@@ -21,6 +21,7 @@ Websites built with Gatbsy:
 * [Jamie Henson's Blog](http://jamiehenson.com/) [(source)](https://github.com/jamiehenson/jh47-gatsby)
 * [Sean Coker's Blog](https://sean.is/)
 * [Dustin Schau's Blog](https://dustinschau.com/blog/) [(source)](https://github.com/dschau/blog)
+* [The Chiedo Companies Website](https://www.chiedo.com)
 
 ## Docs