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

.env.test

@@ -0,0 +1,25 @@
+# Test environment for user app
+DEBUG=True
+SECRET_KEY=test-secret-key-for-development
+ALLOWED_HOSTS=localhost,127.0.0.1
+
+# Database Settings - using existing tenant_db container
+POSTGRES_DB=project_dev
+POSTGRES_USER=postgres
+POSTGRES_PASSWORD=postgres
+POSTGRES_HOST=localhost
+POSTGRES_PORT=8432  # social_db container port
+
+# Redis Settings
+REDIS_URL=redis://localhost:6379/0
+REDIS_CACHE_URL=redis://localhost:6379/1
+
+# Celery Settings
+CELERY_BROKER_URL=redis://localhost:6379/0
+CELERY_RESULT_BACKEND=redis://localhost:6379/0
+
+# CORS Settings
+CORS_ALLOWED_ORIGINS=http://localhost:3000,http://127.0.0.1:3000
+
+# Logging
+LOG_LEVEL=INFO