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>

start-backend.bat

@@ -0,0 +1,8 @@
+@echo off
+cd /d D:\PoleDanceApp\backend
+echo Starting Pole Dance Championships Backend...
+echo API docs: http://localhost:8000/docs
+echo Health:   http://localhost:8000/internal/health
+echo.
+.venv\Scripts\python.exe -m uvicorn app.main:app --host 0.0.0.0 --port 8000 --reload
+pause