New Notification

* adds new notification setting to user settings form
* adds translations
* adds initial creating of ENUM on setup command

konova/management/commands/setup_data.py

@@ -28,4 +28,5 @@ USER_NOTIFICATIONS_NAMES = {
     "NOTIFY_ON_SHARED_DATA_RECORDED": _("On shared data recorded"),
     "NOTIFY_ON_SHARED_DATA_DELETED": _("On shared data deleted"),
     "NOTIFY_ON_SHARED_DATA_CHECKED": _("On shared data checked"),
-}
+    "NOTIFY_ON_DEDUCTION_CHANGES": _("On deduction changes"),
+}