Integrate JBeret with Spring Boot

Users may want to use JBeret in their Spring applications, and should be able to use Spring Boot to create and develop such batch processing applications along with JBeret. JBeret should implement a series of Spring @RestController to support REST API in Spring applications.

https://projects.spring.io/spring-boot/
Spring Initializr: http://start.spring.io/
https://spring.io/
https://stackoverflow.com/questions/42944777/difference-between-jax-rs-and-spring-rest