* Create initial version of openapi micronaut generator
* Update validation, authorization, query parameters and time format
* Move micronaut to its own generator
* Add micronaut documentation
* Refactor and add tests to JavaMicronautClientGenerator
* Refactor model mustache for micronaut client
* Refactor model enum and pojo mustache files for micronaut client
* Move micronaut client generation to micronaut 3.0.0-M5 version
* Generate samples for micronaut client
* Add hidden files of generated samples for micronaut client
* Add and configure micronaut tests as maven profile
* Add option to choose between junit and spock for micronaut client generator
* Add tests for micronaut 'build' and 'test' options; regenerate micronaut samples
