feat: initial daily-timer implementation

Makefile

@@ -0,0 +1,74 @@
+.PHONY: dev build clean install frontend
+
+# Development
+dev:
+	wails dev
+
+# Build for macOS
+build:
+	wails build -clean
+
+# Build for macOS (universal binary)
+build-universal:
+	wails build -clean -platform darwin/universal
+
+# Install frontend dependencies
+frontend:
+	cd frontend && npm install
+
+# Generate Go bindings
+generate:
+	wails generate module
+
+# Clean build artifacts
+clean:
+	rm -rf build/bin
+	rm -rf frontend/dist
+	rm -rf frontend/node_modules
+
+# Run tests
+test:
+	go test ./...
+
+# Format code
+fmt:
+	go fmt ./...
+	cd frontend && npm run format 2>/dev/null || true
+
+# Lint
+lint:
+	golangci-lint run ./...
+
+# Install dependencies
+deps:
+	go mod download
+	go mod tidy
+	cd frontend && npm install
+
+# Initialize project (first time setup)
+init: deps frontend
+	@echo "Project initialized. Run 'make dev' to start development."
+
+# Help
+help:
+	@echo "Daily Timer - Makefile Commands"
+	@echo ""
+	@echo "Development:"
+	@echo "  make dev          - Start development server with hot reload"
+	@echo "  make build        - Build production binary for macOS"
+	@echo "  make build-universal - Build universal binary (Intel + Apple Silicon)"
+	@echo ""
+	@echo "Setup:"
+	@echo "  make init         - Initialize project (install all dependencies)"
+	@echo "  make deps         - Install Go and frontend dependencies"
+	@echo "  make frontend     - Install frontend dependencies only"
+	@echo ""
+	@echo "Maintenance:"
+	@echo "  make clean        - Remove build artifacts"
+	@echo "  make fmt          - Format Go and frontend code"
+	@echo "  make lint         - Run linters"
+	@echo "  make test         - Run tests"
+	@echo ""
+	@echo "Misc:"
+	@echo "  make generate     - Regenerate Wails bindings"
+	@echo "  make help         - Show this help"