Update 22. What to read next.md

Author: qibaoguang

Diff for: III. Using Spring Boot/22. What to read next.md

@@ -1 +1,2 @@
 ### 22. 接下来阅读什么
+现在你应该明白怎么结合最佳实践使用Spring Boot，接下来可以深入学习特殊的部分[Spring Boot features](http://docs.spring.io/spring-boot/docs/1.4.1.RELEASE/reference/htmlsingle/#boot-features)，或者你可以跳过开头，阅读Spring Boot的[production ready](http://docs.spring.io/spring-boot/docs/1.4.1.RELEASE/reference/htmlsingle/#production-ready)部分。