Lucas Ceni

I would like to avoid adding it to the handler list by making it optional, see [OpenAPI3RouterBuilderImpl.java#L273](https://github.com/vert-x3/vertx-web/blob/master/vertx-web-openapi/src/main/java/io/vertx/ext/web/openapi/impl/OpenAPI3RouterBuilderImpl.java#L273)

The router would ignore the validation (no validation handler is set at all) the body would be parsed when required on router handlers by calling e.g. ctx.getBodyAsJson(). No validation against...

As in many other projects we parse JSON input to Java classes using Jackson. During the parsing, we execute the validation. Therefore for all valid payloads, the validation is effectively...

+1