Add Makefile

Makefile

@@ -0,0 +1,15 @@
+.PHONY: test coverage lint vet
+
+build:
+	go build
+goreleaser:
+	goreleaser release --snapshot --rm-dis
+lint:
+	go fmt $(go list ./... | grep -v /vendor/)
+vet:
+	go vet $(go list ./... | grep -v /vendor/)
+test:
+	go test -v -cover ./...
+coverage:
+	go test -v -cover -coverprofile=coverage.out ./... &&\
+	go tool cover -html=coverage.out -o coverage.html