Update README.md

GKPython · web-flow · commit 77fdded81f28 · 2017-09-07T16:42:48.000+08:00
Add more detailed description。
diff --git a/README.md b/README.md
@@ -1,2 +1,2 @@
 # Java-Design-Patterns
-Base on GOF‘s Design Pattern,Implemented by Java.
+Base on GOF‘s Design Pattern,A total of 23 design patters are included，Implemented by Java.

Original file line number	Diff line number	Diff line change
`@@ -1,2 +1,2 @@`
`1`	`1`	`# Java-Design-Patterns`
`2`		`-Base on GOF‘s Design Pattern,Implemented by Java.`
	`2`	`+Base on GOF‘s Design Pattern,A total of 23 design patters are included，Implemented by Java.`