Add Unix installer.

installer/unix_installer.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+set -e
+script_runner=$(whoami)
+exec_path="/usr/local/bin/"
+exec_name="pfox"
+exec_full_path="${exec_path}${exec_name}"
+binary_download_url="https://github.com/diegomacario/PoorFox2/releases/download/1/pfox"
+
+control_c()
+{
+    echo -en "\n\n*** Exiting ***\n\n"
+        exit 1
+}
+
+trap control_c SIGINT
+
+echo -e "\n"
+echo "############################"
+echo "#### Poor Fox Installer ####"
+echo "############################"
+
+# check if user is root
+if [ $script_runner != "root" ] ; then
+  echo -e "\nError: You must execute this script as a normal user with sudo privileges.\n"
+  exit 1
+fi
+
+echo -e "\nThis script will simply download the binary for Poor Fox and place it under $exec_path\n"
+curl -L $binary_download_url -o $exec_name && sudo mv $exec_name $exec_path && chmod +x $exec_full_path
+
+echo -e "\nSuccessfully installed Poor Fox.\n"