feat: Add comprehensive Django user app with tests using model-bakery

- Implemented user authentication with JWT tokens
- Added user and profile models with OneToOne relationship
- Created service layer for business logic separation
- Implemented DRF serializers and views
- Added comprehensive test suite with model-bakery factories
- Fixed ipdb/pdbpp dependency conflicts with custom test runner
- Configured development and production environments
- Added deployment configurations for Apache, systemd, and Docker

deploy/systemd/celery-beat.service

@@ -0,0 +1,15 @@
+[Unit]
+Description=Celery Beat for Django project
+After=network.target redis.service postgresql.service
+
+[Service]
+Type=simple
+User=www-data
+Group=www-data
+EnvironmentFile=/var/www/project/.env
+WorkingDirectory=/var/www/project/src
+ExecStart=/var/www/project/venv/bin/celery -A config beat --loglevel=INFO --scheduler django_celery_beat.schedulers:DatabaseScheduler
+Restart=always
+
+[Install]
+WantedBy=multi-user.target