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

src/apps/user/apps.py

@@ -0,0 +1,10 @@
+from django.apps import AppConfig
+
+
+class UserConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "apps.user"
+    verbose_name = "User Management"
+
+    def ready(self):
+        import apps.user.signals  # noqa