Update README.md

Author: Phil Sturgeon

README.md

@@ -1,5 +1,6 @@
 # CodeIgniter-cURL
 
+## !!! DEPRECATED !!!
 **This package is no longer actively maintained. If somebody sends in a pull request with some major security bug 
 then I'll merge it, but other than that I am no longer using CodeIgniter Curl for anything. Framework specific code 
 is something I thought was cool in 2009 when I built this, but I've barely touched it since. Use a framework agnostic