[REQ] consider contextPath on kotlin-server:jaxrs-spec

[adminelix]

Is your feature request related to a problem? Please describe.

The @Path annotation has the hardcoded / as value. In other libraries there ist the contextPath set as value.

openapi-generator/modules/openapi-generator/src/main/resources/kotlin-server/libraries/jaxrs-spec/api.mustache

Line 21 in 4b2abdf

@Path("/")

Describe the solution you'd like

I would prefer to have the contextPath as annotation value to specify a kind of base path for an Interface.