updated readme

README

@@ -1 +1,7 @@
-redis4nginx is nginx module to access redis database
+### ICE License
+
+Copyright (c) 2011-2012, Alexander Lyalin <alexandr.lyalin@gmail.com>
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.