feat: add makefile

Makefile

@@ -0,0 +1,20 @@
+## Help display.
+## Pulls comments from beside commands and prints a nicely formatted
+## display with the commands and their usage information.
+
+.DEFAULT_GOAL := help
+
+help: ## Prints this help
+	@grep -h -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
+
+.PHONY: lint
+lint: ## Lint the application
+	golangci-lint run --max-same-issues=0 --timeout=1m ./...
+
+.PHONY: test
+test: ## Run unit tests
+	go test -race -shuffle=on ./...
+
+.PHONY: vet
+vet: ## Run go vet
+	go vet ./...