chore(readme): add README.md

README.md

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+# OVPM - OpenVPn Manager
+
+[![Build Status](https://travis-ci.org/cad/ovpm.svg?branch=master)](https://travis-ci.org/cad/ovpm)
+[![codecov](https://codecov.io/gh/cad/ovpm/branch/master/graph/badge.svg)](https://codecov.io/gh/cad/ovpm)
+
+OVPM allows you to manage an OpenVPN server from command line easily. With OVPM you can create and run an OpenVPN server, add/remove vpn users, generate client .ovpn files for your users etc. 
+
+## Usage
+
+Install OVPM:
+
+```bash
+$ go get github.com/cad/ovpm
+```
+
+And run ovpmd:
+
+```bash
+$ sudo ovpmd --version
+
+ovpmd version 0.1.0
+```
+
+In another terminal ovpm command line tool:
+
+```bash
+$ ovpm 
+
+NAME:
+   ovpm - OpenVPN Manager
+
+USAGE:
+   main [global options] command [command options] [arguments...]
+
+VERSION:
+   0.1.0
+
+COMMANDS:
+     user     User Operations
+     vpn      VPN Operations
+     help, h  Shows a list of commands or help for one command
+
+GLOBAL OPTIONS:
+   --verbose            verbose output
+   --daemon-port value  port number for OVPM daemon to call
+   --help, -h           show help
+   --version, -v        print the version
+
+```