message: added adopter
diff: | [Wayfair](https://www.wayfair.com) | [@fransan](https://github.com/fransan), [@errskipower](https://github.com/errskipower), [@hrrs](https://github.com/hrrs) | Developer portal for service catalog, technical documentation, and APIs. |
  | [CircleHD](https://www.circlehd.com) | [@circlehddev](https://github.com/circlehddev) | Developer Portal for internal dev team across the globe |
  | [CastDesk](https://castdesk.com) | [@circlehddev](https://github.com/circlehddev) | Developer Portal for internal dev team across the globe |
  +| [Santagostino](https://santagostino.it) | [@santagostino](https://github.com/santagostino) | Developer portal, gateway to our infrastructure, documentation, service catalog and internal tooling. |
  