Add timestamp to user_notification

notifications/models.py

@@ -1,3 +1,4 @@
+import datetime
 from django.db import models
 from django.forms import ModelForm, Textarea
 
@@ -9,6 +10,7 @@ class UserNotification(models.Model):
     to_user = models.EmailField(db_index=True, max_length=255)
     msg_type = models.CharField(db_index=True, max_length=30)
     detail = models.TextField()
+    timestamp = models.DateTimeField(default=datetime.datetime.now)
     
 class NotificationForm(ModelForm):
     """