Spring Webflux REST Service Example with SQL Database

It's only an example of Spring-Webflux usage

What has been done here?

1. CSV Loading file with OpenCSV
2. Auto-mapping of loaded CSV data to model entities with MapStruct
3. SQL H2 'in-memory' database update and sql queries of loaded CSV data through reactive way using R2DBC
4. Reactive REST Service with Spring Webflux
5. Auto-generation of entity getters/setters/constructor... with Lombok
6. Some unit tests and integration tests with Junit5, Assertj, Mockito, reactor-test and spring-test