Update README.md

Author: yuanxuegui

README.md

@@ -4,3 +4,6 @@
 [![Build Status](https://travis-ci.org/hexagonframework/spring-data-ebean-spring-boot.svg?branch=master)](https://travis-ci.org/hexagonframework/spring-data-ebean-spring-boot)
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/io.github.hexagonframework.boot/spring-data-ebean-spring-boot/badge.svg)](https://maven-badges.herokuapp.com/maven-central/io.github.hexagonframework.boot/spring-data-ebean-spring-boot) 
 
+
+[example](https://github.com/hexagonframework/spring-boot-data-ebean-samples)
+