added config file info to readme

Author: cmorgoth

README.md

@@ -8,5 +8,5 @@ Example of how to run code
 python DQM_Coincidence.py S13360-3025_10450_57V_anotherSiPM_57V_Na22_Coincidence_version2.root -S /home/lab-cpt03/DataQualityMonitor-master -N 0 0
 -S is the saving location
 -N is the number of runs, we only need to run once, put 2 numbers that are the same
-
-
+Default config file: Na22_config.txt
+need to add what graphs to draw in the first row, example: IL_2