Initial release: Disc Agenda frisbee tournament platform

Full-stack tournament management app with real-time scoring:
- Go 1.26 backend with REST API and WebSocket live scoring
- React 19 + Vite 8 frontend with mobile-first design
- File-based JSON storage with JSONL audit logs
- Multi-stage Docker build with Gitea CI/CD pipeline
- Post-tournament questionnaire with spirit voting
- Technical documentation and project description

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

docker-compose.yml

@@ -0,0 +1,14 @@
+services:
+  frisbee:
+    build: .
+    ports:
+      - "8080:8080"
+    volumes:
+      - tournament-data:/app/data
+    environment:
+      - PORT=8080
+      - TZ=Europe/Prague
+    restart: unless-stopped
+
+volumes:
+  tournament-data: