localizations: #1771 Spanish translation and languages codes (#1777)

* #1771 Move translations to a new directory to have more organization

* #1771 spanish translation

* #1771 change the language codes to follow ISO 639-1 and change the links

* #1771 remove country flags

localization/zh/delegation/README.md

@@ -0,0 +1,30 @@
+---
+layout: pattern
+title: Delegation
+folder: delegation
+permalink: /patterns/delegation/zh
+categories: Structural
+language: zh
+tags:
+ - Decoupling
+---
+
+## 或称
+代理模式
+
+## 目的
+它是一种让对象将某种行为向外部表达，但实际上将实现该行为的责任委托给关联对象的技术。
+
+## 类图
+![alt text](../../delegation/etc/delegation.png "Delegate")
+
+## 适用性
+使用委托模式以实现以下目的
+
+* 降低类的耦合性
+* 组件的行为相同，但是意识到这种情况将来可能会改变。
+
+## 鸣谢
+
+* [Delegate Pattern: Wikipedia ](https://en.wikipedia.org/wiki/Delegation_pattern)
+* [Proxy Pattern: Wikipedia ](https://en.wikipedia.org/wiki/Proxy_pattern)