Support @OpenApiNaming as an alternative to @JsonNaming

[dzikoysk]

Feature
Support naming strategies:

• Default (1:1 to field name)
• Kebab case
• Snake case

More about @JsonNaming:

• https://www.baeldung.com/jackson-advanced-annotations#bd-jsonnaming

Example

It should cover scenarios like:

public record Employee (
  @JsonProperty("first_name") String firstName,
  @JsonProperty("last_name") String lastName
) {}

with:

@OpenApiNaming(SNAKE_CASE)
public record Employee (
  String firstName,
  String lastName
) {}

~ Reported on Javalin's Discord.