Add full SkinsPins application

- FastAPI + SQLite + Alpine.js + HTMX PWA for Bingo Bango Bongo golf scoring
- Passwordless magic link auth with email (aiosmtplib) and admin invite system
- Real-time score entry via WebSocket with drag-and-drop player ordering
- Course management with per-hole par and stroke index
- Scorecard with golf score markers (birdie, eagle, bogey, etc.)
- Two-step new game form with tee selection per player
- Dashboard with stats, live games social stream, and recent game history
- Game summary view (read-only scorecard with leaderboard)
- User profile pages with win stats
- PWA install support with generated PNG icons
- Admin panel for users, courses, games, and invitations

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

docker-compose.dev.yml

@@ -0,0 +1,20 @@
+services:
+  app:
+    build: .
+    ports:
+      - "8000:8000"
+    volumes:
+      - data:/data
+      - ./app:/app/app
+      - ./static:/app/static
+    env_file:
+      - .env
+    command: uvicorn app.main:app --host 0.0.0.0 --port 8000 --reload
+    networks:
+      - internal
+
+volumes:
+  data:
+
+networks:
+  internal: