Finish the english version of README.

README.md

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 [![蓝眼云盘logo](https://raw.githubusercontent.com/eyebluecn/tank/master/build/doc/img/logo.png)](https://github.com/eyebluecn/tank)
 
+[English Version](./README_EN.md)
+
 # 蓝眼云盘（2.0.0）
 
 [在线Demo](https://tank.eyeblue.cn) (体验账号： demo@tank.eyeblue.cn 密码：123456)

README_EN.md

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+[![蓝眼云盘logo](https://raw.githubusercontent.com/eyebluecn/tank/master/build/doc/img/logo.png)](https://github.com/eyebluecn/tank)
+
+[中文版](./README_EN.md)
+
+# Eyeblue Cloud Disk（2.0.0）
+
+[Online Demo](https://tank.eyeblue.cn) (demo@tank.eyeblue.cn 123456)
+
+![](https://tank.eyeblue.cn/api/alien/download/df372827-ba56-415e-42d1-0e3a34fdb2a1/github20x20.png "github20x20.png") [tank backend](https://github.com/eyebluecn/tank)
+
+![](https://tank.eyeblue.cn/api/alien/download/df372827-ba56-415e-42d1-0e3a34fdb2a1/github20x20.png "github20x20.png") [tank-front frontend](https://github.com/eyebluecn/tank-front)
+
+### Description
+Eyeblue Cloud Disk is one of [Eyeblue Softwares](https://github.com/eyebluecn), and it is the basic software for other eyeblue softwares.Eyeblue Cloud Disk has the following features.
+
+**1. Easy to use**
+
+- Docker available
+
+- [Install package](https://github.com/eyebluecn/tank/releases) is about 10M. Cross platform.
+
+- Unpack the install zip, and run it with one command.
+
+- Installation Guide
+
+- Dashboard to view UV and PV.
+
+- Preview usual files (doc,ppt,xls,pdf,mp3,mp4,jpg,png)
+
+**2. Core features all in readiness**
+
+- Manage your files on cloud.
+
+- Responsive on PC and mobile.
+
+- Normal user and administrator 
+
+**3. Custom Api supported**
+
+- Support [Custom Api](https://github.com/eyebluecn/tank/blob/master/build/doc/alien_zh.md)
+
+- Manage files by api.
+
+If this project is helpful for you, star ⭐ it.
+
+### Screen Shot
+
+#### PC
+
+![](./build/doc/img/tank0.png)
+
+![](./build/doc/img/tank1.png)
+
+![](./build/doc/img/tank2.png)
+
+![](./build/doc/img/tank3.png)
+
+![](./build/doc/img/tank4.png)
+
+#### Mobile
+
+![](./build/doc/img/mobile.png)
+
+
+### Installation by Docker
+
+##### a) Run
+```
+docker run --name tank -p 6010:6010 -d eyeblue/tank:2.0.0
+```
+If you'd like to start you mysql by docker, use the following command.
+```
+docker run --name mysql4tank -p 3306:3306 -e MYSQL_ROOT_PASSWORD=123456 -e MYSQL_DATABASE=tank -e MYSQL_USER=tank -e MYSQL_PASSWORD=tank123 -v ~/data/mysqldemo1:/var/lib/mysql -d mysql:5.7
+```
+
+##### b) Validation
+Open http://127.0.0.1:6010 it succeed if you see the installation guide.
+
+### Installation by installation package (windows/linux almost the same)
+
+##### a) Prepare
+
+1. [Mysql](https://www.mysql.com/downloads/) (Use utf8 charset)
+
+2. [Here](https://github.com/eyebluecn/tank/releases) download installation package.
+
+3. Unzip on server
+
+##### b) Run
+
+- Double click `tank.exe` on windows
+
+- Run the following command on linux 
+
+```
+cd ApplicationDirectory
+./tank
+```
+
+If you'd like to run in daemon mode.
+```shell
+# Run the application
+cd ApplicationDirectory/service
+./startup.sh
+
+# Stop the application
+cd ApplicationDirectory/service
+./shutdown.sh
+
+```
+
+##### c) Validation
+
+Open http://127.0.0.1:6010 it succeed if you see the installation guide.
+
+### Reference
+
+[api](https://github.com/eyebluecn/tank/blob/master/build/doc/api_zh.md)
+
+[Custom API](https://github.com/eyebluecn/tank/blob/master/build/doc/alien_zh.md)
+
+### Contribution
+
+Thanks these authors [@zicla](https://github.com/zicla)，[@seaheart](https://github.com/seaheart)，[@yemuhe](https://github.com/yemuhe)，[@hxsherry](https://github.com/hxsherry)
+
+You can join us by scanning the following qcode.
+
+![](./build/doc/img/dingding.jpg)
+
+### License
+
+[MIT](http://opensource.org/licenses/MIT)
+
+Copyright (c) 2017-present, eyeblue.cn