Added daily scheduler logic using weekday pattern

plugins/DupFileManager/DupFileManager.py

@@ -4,8 +4,10 @@
 # Note: To call this script outside of Stash, pass any argument. 
 #       Example:    python DupFileManager.py start
 
-# Research following links to complete this plugin:
+# Research:
+#   Research following links to complete this plugin:
 #       https://github.com/WithoutPants/stash-plugin-duplicate-finder
+# Look at stash API find_duplicate_scenes
 import os
 import sys
 import time