spring-4/README.md

### Relevant Articles:
- [A Guide to Flips for Spring](http://www.baeldung.com/flips-spring)
- [Configuring a Hikari Connection Pool with Spring Boot](https://www.baeldung.com/spring-boot-hikari)
- [Spring JSON-P with Jackson](http://www.baeldung.com/spring-jackson-jsonp)
BAEL-1554 (#3864 ) 2018-03-21 10:43:53 -04:00			`### Relevant Articles:`
08.04.2018 (#3954 ) 2018-04-11 11:33:18 +06:00			`- [A Guide to Flips for Spring](http://www.baeldung.com/flips-spring)`
BAEL-8287 (#5180 ) 2018-09-07 16:56:13 +06:00			`- [Configuring a Hikari Connection Pool with Spring Boot](https://www.baeldung.com/spring-boot-hikari)`
Migrated modules using parent-spring-5: 2019-01-09 12:23:10 -02:00			`- [Spring JSON-P with Jackson](http://www.baeldung.com/spring-jackson-jsonp)`