add occ to the user list (#7011)

README.md

@@ -616,6 +616,7 @@ Here are some companies/projects (alphabetical order) using OpenAPI Generator in
 - [Myworkout](https://myworkout.com)
 - [NamSor](https://www.namsor.com/)
 - [Nokia](https://www.nokia.com/)
+- [Options Clearing Corporation (OCC)](https://www.theocc.com/)
 - [Openet](https://www.openet.com/)
 - [openVALIDATION](https://openvalidation.io/)
 - [Oracle](https://www.oracle.com/)

website/src/dynamic/users.yml

@@ -273,6 +273,11 @@
   image: "img/companies/nokia.png"
   infoLink: "https://www.nokia.com/"
   pinned: false
+-
+  caption: Options Clearing Corporation (OCC)
+  image: "img/companies/occ.jpg"
+  infoLink: "https://www.theocc.com/"
+  pinned: false
 -
   caption: Openet
   image: "img/companies/openet.jpg"