Phase 0: scaffold cup26 — Vite+React+Fastify TS PWA, broadcast theme, app shell

Mirrors the TTRPG stack (strict TS, Tailwind 4, vite-plugin-pwa, esbuild server
bundle, multi-stage Dockerfile, Traefik compose). Floodlit-pitch design tokens,
UI primitives (Button/Card/Badge), TanStack Router shell with Live/Groups/
Bracket/Predict/Story routes (placeholders), dependency-free PWA icon generator.
Raw data staged: openfootball 2026 fixtures + martj42 international results CSV.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,14 @@
+node_modules
+dist
+dev-dist
+server/dist
+server/node_modules
+*.tsbuildinfo
+.DS_Store
+.env
+.env.local
+# Generated build artifacts (reproduced by `npm run data:build`)
+public/data
+public/pwa-192x192.png
+public/pwa-512x512.png
+public/favicon.svg