Add notes

src/timetable.py

@@ -149,8 +149,8 @@ def _insertToDb(data :list, type :str):
     elif type == "update":
       for item in data:
         if item['transactionType'] == "Create":
-          singleList = [item]
-          mongo.putTimetable(singleList)
+          singleList = [item] ### These items should be stored in a list and only
+          mongo.putTimetable(singleList) ### Put into the databse AFTER deletions.
         elif item['transactionType'] == "Delete":
           mongo.deleteTimetableData({'trainUid': item['trainUid'], 'scheduleStartDate': item['scheduleStartDate'], 'stpIndicator': item['stpIndicator']})  ## Also need to consider the STP indicator and end date here else I am deleting LTP services when an STP is meant to be deleted.
     post_count = mongo.getLength("timetable")