Update README.md

Author: QianMo

README.md

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 This repository is about cool design patterns written in Unity3D C#. 
 * Now 23 [Gang of Four Patterns] have all been finished in Unity3D in this repository.
 * Each pattern contains the corresponding structure implementations, application examples and diagrams. Same way with [Naphier/unity-design-patterns], in this repository each pattern is contained in a separate folder. Inside these are a folder ("Structure") to show what classes are used in the pattern's structure in Unity3D(with a scene) and a folder or folders ("Example") showing one or more real-world example of using the pattern in Unity3D along with a scene showing it in action. Each pattern folder may contain one or more Example.
-* Game design patterns from book [Game Programming Patterns] are about to be updated.
+* Game design patterns from book [Game Programming Patterns] have been partially implemented.
 
 此repo为Unity3D中各种设计模式的实践与运用。
 * 目前已经在Unity中实现了《[设计模式:可复用面向对象软件的基础]》一书中提出的23种设计模式。
 * 每种模式都包含对应的结构实现、应用示例以及图示介绍。类似[Naphier/unity-design-patterns]的结构，此repo中的每种模式用单独的文件夹分开。每种模式对应的文件夹中包含了名为“Structure”的子文件夹，里面存放的是此模式在Unity中的使用代码的基本框架实现，而另外包含的Example子文件夹中存放的是此模式在Unity中使用的实际示例。每种框架实现或实例示例实现都包含对应的场景，每种模式文件夹中可能包含一个或者多个Example。
-* 即将更新《[游戏编程模式]》一书中介绍的常用游戏设计模式的Unity版实现。
+* 《[游戏编程模式]》一书中介绍的常用游戏设计模式的Unity版实现也有部分实现。
 
 #Contents
 ## Gang of Four Patterns in Unity （23种GOF设计模式的Unity实现）