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>

static/icons/icon.svg

@@ -0,0 +1,13 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
+  <rect width="512" height="512" rx="96" fill="#1b4332"/>
+  <!-- Flag stick -->
+  <rect x="246" y="80" width="20" height="300" rx="4" fill="#e8f5e9"/>
+  <!-- Flag -->
+  <polygon points="266,80 390,140 266,200" fill="#40916c"/>
+  <!-- Golf ball -->
+  <circle cx="256" cy="420" r="60" fill="#52b788"/>
+  <!-- Ball dimple hints -->
+  <circle cx="236" cy="408" r="8" fill="#2d6a4f" opacity="0.4"/>
+  <circle cx="270" cy="400" r="8" fill="#2d6a4f" opacity="0.4"/>
+  <circle cx="248" cy="432" r="8" fill="#2d6a4f" opacity="0.4"/>
+</svg>