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-worker.service

@@ -0,0 +1,16 @@
+[Unit]
+Description=Celery Worker for Django project
+After=network.target redis.service postgresql.service
+
+[Service]
+Type=forking
+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 worker --loglevel=INFO --pidfile=/run/celery/worker.pid
+ExecReload=/bin/kill -HUP $MAINPID
+PIDFile=/run/celery/worker.pid
+
+[Install]
+WantedBy=multi-user.target