Add it@M to users list (#16182)

README.md

@@ -648,6 +648,7 @@ Here are some companies/projects (alphabetical order) using OpenAPI Generator in
 - [Klarna](https://www.klarna.com/)
 - [Kronsoft Development](https://www.kronsoft.ro/home/)
 - [Kubernetes](https://kubernetes.io)
+- [Landeshauptstadt München - it@M](https://muenchen.digital/it-at-m/)
 - [Linode](https://www.linode.com/)
 - [Logicdrop](https://www.logicdrop.com)
 - [Lumeris](https://www.lumeris.com)

website/src/dynamic/users.yml

@@ -293,6 +293,11 @@
   image: "img/companies/klarna.svg"
   infoLink: "https://www.klarna.com/us/"
   pinned: false
+-
+  caption: "Landeshauptstadt München - it@M"
+  image: "img/companies/it-at-m.png"
+  infoLink: "https://muenchen.digital/it-at-m/"
+  pinned: false
 -
   caption: "Linode"
   image: "img/companies/linode.png"