Update README.md (#17483)

Added Christopher Queen Consulting to list of companies using the generator

Author: gitchrisqueen

README.md

@@ -617,6 +617,7 @@ Here are some companies/projects (alphabetical order) using OpenAPI Generator in
 - [California State University, Northridge](https://www.csun.edu)
 - [CAM](https://www.cam-inc.co.jp/)
 - [Camptocamp](https://www.camptocamp.com/en)
+- [Christopher Queen Consulting](https://www.christopherqueenconsulting.com/)
 - [Cisco](https://www.cisco.com/)
 - [codecentric AG](https://www.codecentric.de/)
 - [CoinAPI](https://www.coinapi.io/)