Adding simple Makefile with basic go commands

Author: Ivan De Marino

Makefile

@@ -0,0 +1,15 @@
+default: build
+
+build:
+	go build -v ./...
+
+lint:
+	golangci-lint run
+
+fmt:
+	gofmt -s -w -e .
+
+test:
+	go test -v -cover -timeout=120s -parallel=4 ./...
+
+.PHONY: build lint fmt test