Include Raster Foundry in adopters

README.md

@@ -41,6 +41,7 @@ Are you using circe? Please consider opening a pull request to list your organiz
 * [OVO Energy](https://www.ovoenergy.com)
 * [Onfocus](https://onfocus.io)
 * [Project September](http://www.projectseptember.com) (using circe to exchange and store data within the platform and serve data using GraphQL with Sangria)
+* [Raster Foundry](https://github.com/raster-foundry/raster-foundry/)
 * [Ravel Law](http://ravellaw.com/technology/) (using circe to (de)serialize data for search, analytics, and visualization of tens of millions of legal opinions)
 * [REA Group - realestate.com.au](https://www.realestate.com.au/)
 * [Reonomy](https://reonomy.com/)