added Makefile; changed .gitignore; go files

Makefile

@@ -0,0 +1,40 @@
+.PHONY: build clean test install dev help
+
+# Build the application
+build:
+	go build -o bin/go-hugo-cms cmd/go-hugo-cms/main.go
+
+# Clean build artifacts
+clean:
+	rm -rf bin/
+
+# Run tests
+test:
+	go test -v ./...
+
+# Install dependencies
+deps:
+	go mod download
+	go mod tidy
+
+# Build and install to GOPATH/bin
+install: build
+	cp bin/go-hugo-cms $(GOPATH)/bin/
+
+# Run in development mode
+dev: build
+	./bin/go-hugo-cms
+
+# Show help
+help:
+	@echo "Available commands:"
+	@echo "  build    - Build the go-hugo-cms binary"
+	@echo "  clean    - Remove build artifacts"
+	@echo "  test     - Run tests"
+	@echo "  deps     - Download and tidy dependencies"
+	@echo "  install  - Build and install to GOPATH/bin"
+	@echo "  dev      - Build and run for development"
+	@echo "  help     - Show this help message"
+
+# Default target
+all: build