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What about `documentation.info.version` in case we use areas for API versioning? Shouldn't it represent the [current API version](https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.3.md#infoObject)? It seems it is impossible to have multiple `documentation.info.version` in `nelmio_api_doc.yaml`.

@spawnia any extra package is adding security risk: the more code, the more probability of security vulnerabilities originating from the package. Compromising prod security is definetelly not worth saving an...

Need the feature also. Plus one.