Action:add;release

Description:添加README文件，上传至JCenter，发布版本v1.0.0

README.md

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+# SlideMenuLayout
+## Introduction
+An android Verification code EditText.   
+一个支持左右滑动并带有视差滑动效果的安卓滑动菜单控件。([中文版入口](README-CN.md))  
+[![Platform](https://img.shields.io/badge/platform-android-green.svg)](http://developer.android.com/index.html)
+<img src="https://img.shields.io/badge/license-Apache 2.0-green.svg?style=flat">
+[![API](https://img.shields.io/badge/API-12%2B-green.svg?style=flat)](https://android-arsenal.com/api?level=11)
+
+## Demo
+Prevent input overflow.  
+<img src="/img/demo.gif" width="280px"/>
+
+## Features
+- [x] **Extends EditText,it can be used as EditText**  
+- [x] **Prevent input overflow**  
+- [x] **Custom validation code length**  
+- [x] **Provide input value listener**