修改readme

Author: ghostboyzone

README.md

@@ -1 +1,14 @@
-# angular-simditor
+# Angular-Simditor
+
+Angular Editor for [simditor](https://github.com/mycolorway/simditor)
+
+# Bower Install
+	bower install ghostboyzone/angular-simditor --save
+
+# 用法
+	
+	angular.module('app', ['angular-simditor'])
+	
+	<ng-simditor content="editorModel"></ng-simditor>
+	
+	// editorModel就是编辑器对应的富文本的值