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>

Makefile

@@ -0,0 +1,42 @@
+.PHONY: help dev dev-backend dev-frontend build-frontend docker image run stop logs clean tidy
+
+.DEFAULT_GOAL := help
+
+help: ## Show this help
+	@grep -E '^[a-zA-Z_-]+:.*##' $(MAKEFILE_LIST) | awk -F ':.*## ' '{printf "  \033[36m%-20s\033[0m %s\n", $$1, $$2}'
+
+dev: ## Print instructions for local development
+	@echo "Start backend and frontend in separate terminals:"
+	@echo "  make dev-backend"
+	@echo "  make dev-frontend"
+
+tidy: ## Run go mod tidy (requires Go 1.26+)
+	cd backend && go mod tidy
+
+dev-backend: tidy ## Run backend dev server (requires Go 1.26+)
+	cd backend && go run ./cmd/server -data ../data -static ../frontend/dist -port 8080
+
+dev-frontend: ## Run frontend dev server (requires Node 22+)
+	cd frontend && npm run dev
+
+build-frontend: ## Build frontend for production
+	cd frontend && npm ci && npx vite build
+
+docker: ## Build Docker images
+	docker compose build
+
+image: ## Build production Docker image
+	docker build -t fujarna-claude:latest .
+
+run: ## Start Docker containers
+	docker compose up -d
+
+stop: ## Stop Docker containers
+	docker compose down
+
+logs: ## Follow Docker container logs
+	docker compose logs -f
+
+clean: ## Remove build artifacts and node_modules
+	rm -rf frontend/dist frontend/node_modules
+	cd backend && go clean