Show install steps in readme

README.md

@@ -2,6 +2,14 @@
 
  This is the XigmaNAS Bastille Extension to create and manage FreeBSD Jails/Containers.
 
+**Install**
+
+```
+mkdir -p /mnt/tank/extensions/bastille
+cd /mnt/tank/extensions/bastille
+fetch --no-verify-peer https://raw.githubusercontent.com/JRGTH/xigmanas-bastille-extension/master/bastille-init && chmod +x bastille-init && ./bastille-init && echo "=> Done!"
+```
+
 **Credits:**
 
  Christer Edwards (cedwards) Bastille, J.M. Rivera (JRGTH) Bastille and XigmaNAS Add-on.