Update README.md

Author: kazuki43zoo

README.md

@@ -10,20 +10,24 @@
 
 MyBatis Spring-Boot-Starter will help you use MyBatis with Spring Boot
 
-Requirements
-----------
+## Requirements
 
 * master(2.1.x) : MyBatis 3.5+, MyBatis-Spring 2.0+(2.0.2+ recommended), Java 8+ and Spring Boot 2.1+
 * 2.0.x : MyBatis 3.5+, MyBatis-Spring 2.0+, Java 8+ and Spring Boot 2.0/2.1.
 * 1.3.x : MyBatis 3.4+, MyBatis-Spring 1.3+, Java 6+ and Spring Boot 1.5
 
-Essentials
-----------
+## Essentials
+
+### Published documentations
 
 * [See the docs](http://www.mybatis.org/spring-boot-starter/mybatis-spring-boot-autoconfigure)
 * [See the docs for testing](http://www.mybatis.org/spring-boot-starter/mybatis-spring-boot-test-autoconfigure)
 
-Quick Start
-----------
+### Snapshot documentations
+
+* [See the docs](https://github.com/mybatis/spring-boot-starter/blob/master/mybatis-spring-boot-autoconfigure/src/site/markdown/index.md)
+* [See the docs for testing](https://github.com/mybatis/spring-boot-starter/blob/master/mybatis-spring-boot-test-autoconfigure/src/site/markdown/index.md)
+
+## Quick Start
 
 * [See the wiki page](https://github.com/mybatis/spring-boot-starter/wiki/Quick-Start)