update readme

update readme

Author: dhirajpatra

README.md

@@ -1,2 +1,11 @@
 # codeigniterCustomLogSystem
 this is very simple to implement to create custom log system for your codeigniter application
+
+##Keep the MY_Log.php into /application/librarires/ folder
+##Add this class to autoload.php
+##update config.php
+```$config['log_threshold'] = 3;
+$config['exclude_logging'] = array(E_STRICT,E_NOTICE);
+```
+
+