Added theperiodic cron job

src/iac_scan_runner/cleanup_old_scans.py

+import pymongo
+import bson.json_util as json_util
+from bson.json_util import dumps
+import json
+from datetime import datetime
+
+import schedule
+import time
+from results_persistence import ResultsPersistence
+                
+def periodic_clean_job():
+    persistence_manager = ResultsPersistence()
+    
+    cursor = persistence_manager.mycol.find({})
+    scan_ts = ""
+    for doc in cursor:
+        print(doc["time"])
+        doc_uuid = doc["uuid"]                
+        age = persistence_manager.result_age(doc_uuid)
+        if(age>14):
+            print("delete")
+        else:
+            print("not_delete")
+                                                                            
+#schedule.every().day.at("08:54").do(periodic_clean_job)
+schedule.every().second.do(periodic_clean_job)
+while True:
+    schedule.run_pending()
+    time.sleep(1)