[REQ] Port `useRequestMappingOnInterface` to kotlin-spring
Is your feature request related to a problem? Please describe.
When trying to use interfaces generated with kotling-spring in FeignClients it fails as @RequestMapping annotation is present
Describe the solution you'd like
Port solution from java-spring: https://github.com/OpenAPITools/openapi-generator/blob/master/modules/openapi-generator/src/main/resources/JavaSpring/api.mustache#L91
Describe alternatives you've considered
Overriding with my own template but as there already is in-project solution would be nice to have it in kotlin-spring too.