Update README.txt

Author: tolq15

README.txt

@@ -6,6 +6,13 @@ Primary database.
 
 THIS IS WORK IN PROGRESS.
 
+Directory structure
+-------------------
+WORKING_DIR - directory where all monitoring and statistics scripts are located (.sh, .pl, .py)
+WORKING_DIR/log - all log files go into this directory
+WORKING_DIR/config - Perl and Python configuration files live there.
+WORKING_DIR/pictures - all charts generated by statistics scripts.
+
 1. Oracle Alert Log Monitor Scripts
 1.1. alert_monitor.pl
     This script connects to running Oracle instance and select alerts from table x$dbgalertext (for Oracle 11g and later).