add it@m to sponsor list (#18733)

README.md

@@ -69,6 +69,7 @@ If you find OpenAPI Generator useful for work, please consider asking your compa
 [<img src="https://openapi-generator.tech/img/companies/svix.png" width="128" height="128">](https://www.svix.com/?utm_source=openapi-generator&utm_medium=sponsorship&utm_campaign=oss-sponsorship)
 [<img src="https://openapi-generator.tech/img/companies/litslink.png" width="128" height="128">](https://litslink.com/services/artificial-intelligence?utm_source=openapi-generator&utm_medium=sponsorship&utm_campaign=oss-sponsorship)
 [<img src="https://openapi-generator.tech/img/companies/designli.jpg" width="128" height="128">](https://designli.co?utm_source=openapi-generator&utm_medium=sponsorship&utm_campaign=oss-sponsorship)
+[<img src="https://openapi-generator.tech/img/companies/itm.png" width="128" height="128">](https://opensource.muenchen.de?utm_source=openapi-generator&utm_medium=sponsorship&utm_campaign=oss-sponsorship)
 
 
 #### Thank you GoDaddy for sponsoring the domain names, Linode for sponsoring the VPS, Checkly for sponsoring the API monitoring and Gradle for sponsoring Develocity

website/src/dynamic/sponsors.yml

@@ -118,3 +118,8 @@
   image: "img/companies/designli.jpg"
   infoLink: "https://designli.co?utm_source=openapi-generator&utm_medium=sponsorship&utm_campaign=oss-sponsorship"
   bronze: true
+-
+  caption: "it@m"
+  image: "img/companies/itm.png"
+  infoLink: "https://opensource.muenchen.de/?utm_source=openapi-generator&utm_medium=sponsorship&utm_campaign=oss-sponsorship"
+  bronze: true