feat(notification): added notification model and admin

scripts/run_notifications.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+# Script to run daily notifications
+# Add this to crontab: 0 9 * * * /path/to/devsuite/scripts/run_notifications.sh
+
+cd "$(dirname "$0")/.." || exit
+source .venv/bin/activate
+python manage.py send_notifications