Support generic jsonb types

[SentryMan]

Now can do wacky stuff like this and have it work.

  @Get("/get3")
  Gen<RequestModel, String, Integer> getty3() {
    return new Gen<>(new RequestModel("This Model class isn't named that well"), "stringy", 0);
  }

  @Json
  public record Gen<T, T2, T3>(T o, @Ignore T2 ignored, T3 third) {}

• Adds JsonB types to imports and uses the short name in the generated source
• Enhance Client Processor to generate JsonB Parameterized types
• Enhances UType to be able to retrieve the full generic type of a param for certain Generic Classes
• Enhance JsonBUtil to write Parameterized Types for JsonB controllers

Has a dependency on this PR: avaje/avaje-jsonb#47
Has a dependency on this PR as well: avaje/avaje-http-client#56