Initial commit: Pole Dance Championships App

Full-stack mobile app for pole dance championship management.

Backend: FastAPI + SQLAlchemy 2 (async) + SQLite (dev) / PostgreSQL (prod)
- JWT auth with refresh token rotation
- Championship CRUD with Instagram Graph API sync (APScheduler)
- Registration flow with status management
- Participant list publish with Expo push notifications
- Alembic migrations, pytest test suite

Mobile: React Native + Expo (TypeScript)
- Auth gate: pending approval screen for new members
- Championships list & detail screens
- Registration form with status tracking
- React Query + Zustand + React Navigation v6

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/app/models/__init__.py

@@ -0,0 +1,15 @@
+from app.models.user import User
+from app.models.refresh_token import RefreshToken
+from app.models.championship import Championship
+from app.models.registration import Registration
+from app.models.participant_list import ParticipantList
+from app.models.notification_log import NotificationLog
+
+__all__ = [
+    "User",
+    "RefreshToken",
+    "Championship",
+    "Registration",
+    "ParticipantList",
+    "NotificationLog",
+]