add README

LICENSE

+The MIT License (MIT)
+
+Copyright (c) 2014 郑锐
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+

README.md

+gost - GO Simple Tunnel
+====
+
+###GO语言实现的安全隧道
+
+####特性
+1. 支持标准socks5协议(rfc1928)。
+2. 多种加密方式(tls, 以及aes-256-cfb, des-cfb， rc4-md5等shadowsocks兼容的加密方式)。
+3. 客户端兼容shadowsocks协议。
+4. 支持设置上层http代理
+
+####参数说明
+>  -L=":8080": listen address
+
+>  -P="": proxy for forward
+
+>  -S="": the server that connecting to
+
+>  -cert="cert.pem": cert.pem file for tls
+
+>  -key="key.pem": key.pem file for tls
+
+>  -m="tls": cipher method
+
+>  -p="ginuerzh@gmail.com": cipher password
+
+>  -sm="rc4-md5": shadowsocks cipher method
+
+>  -sp="ginuerzh@gmail.com": shadowsocks cipher password
+
+>  -ss=false: shadowsocks compatible
+
+
+####使用方法
+#####服务器端:
+`$ gost -L=your_server_ip:443`
+
+#####客户端:
+`$ gost -L=:8080 -S=your_server_ip:443`