Added README.

README.md

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+# OpenVPN-rotate
+This is a little shell script that makes randomizing VPN connections easier. If you use a
+VPN service with multiple hosts in many areas as a proxy, rotating makes it a little more
+anonymous.
+
+## Installation
+### Prerequisites
+* OpenVPN
+* Several .ovpn file configurations
+
+### Setup process
+1. Create the configurations directory `/etc/openvpn/client/ovpn-enabled`.
+2. Copy all .ovpn configuration files you wish to use to `/etc/openvpn/client/ovpn-enabled`.
+3. Copy `openvpn-rotate` to `/usr/local/bin/`.
+4. Copy `openvpn.service` to `/etc/systemd/system/` if you do not already have an openvpn
+    service.
+
+## Usage
+Just run `openvpn-rotate` and it will link a random configuration to the path that
+`openvpn.service` reads. It does not currently accept any arguments.