break down store.py into multiple files in a module

+ fix last updated date bug

app/utils/generators.py

@@ -3,14 +3,6 @@ from datetime import datetime
 import random
 
 
-def create_new_date():
-    """
-    It creates a new date and time string in the format of "YYYY-MM-DD HH:MM:SS"
-    :return: A string of the current date and time.
-    """
-    now = datetime.now()
-    return now.strftime("%Y-%m-%d %H:%M:%S")
-
 
 def get_random_str(length=5):
     """