Added Makefile and example of copyright notice.

Makefile

@@ -0,0 +1,42 @@
+PROJECT_NAME := "go-pb"
+USER_NAME := "iliafrenkel"
+PKG := "github.com/$(USER_NAME)/$(PROJECT_NAME)"
+PKG_LIST := $(shell go list ${PKG}/... | grep -v /vendor/)
+GO_FILES := $(shell find . -name '*.go' | grep -v /vendor/ | grep -v _test.go)
+
+B=$(shell git rev-parse --abbrev-ref HEAD)
+BRANCH=$(subst /,-,$(B))
+GITREV=$(shell git describe --abbrev=7 --always --tags | cut -d- -f1-2)
+REV=$(GITREV)-$(BRANCH)-$(shell date +%Y%m%d-%H:%M:%S)
+
+all: build
+
+info: ## Show the revision
+	@echo "branch: $(BRANCH)"
+	@echo "version: $(GITREV)"
+	@echo "revision: $(REV)"
+
+dep: ## Get the dependencies
+	@go mod tidy
+	@go mod download
+
+lint: ## Lint all Golang files
+	@golint -set_exit_status ${PKG_LIST}
+
+test: ## Run all the unit tests
+	@go test -short ${PKG_LIST}
+
+test-coverage: ## Run all the unit tests with coverage report
+	@go test -short -coverprofile cover.out -covermode=atomic ${PKG_LIST}
+	@cat cover.out >> coverage.txt
+
+build: info dep ## Build the binary
+	- cd cmd && GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -ldflags "-X 'main.revision=$(REV)' -X 'main.version=$(GITREV)' -X 'main.branch=$(BRANCH)' -s -w" -o ../build/$(PROJECT_NAME)
+
+clean: ## Remove previous build
+	@rm -f build/$(PROJECT_NAME)
+
+help: ## Print this help message
+	@grep -h -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
+
+.PHONY: all build clean dep info help lint test test-coverage

cmd/main.go

@@ -1,3 +1,6 @@
+// Copyright 2021 Ilia Frenkel. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.package main
 package main
 
 import (