Java 8 & Gradle with Unit test

[franchoo]

Create simple code challenge with gradle using TDD, optionally including JUnit, Integration tests or Spring Framework

[franchoo]

• [x] Gradle
• [x] JDK8 (looking into 9)
• [x] Spring framework
• [x] TDD with JUnit 4, WebMvcTest & SpringBootTest
• [ ] Add more cases
• [ ] Add Hateoas (Spring ?)
• [x] Use ascii art
• [ ] Try spring cli (with zsh autocomplete)