style: add final endline

Author: anderson-pids

Makefile

@@ -11,4 +11,5 @@ build:
 
 .PHONY: aws-auth
 aws-auth: ${ensure-aws-folder}
-	@U_ID=$(shell id -u) G_ID=$(shell id -g) docker compose -f image/docker-compose.yml run --rm aws-auth ${username} ${mfa_code}
+	@U_ID=$(shell id -u) G_ID=$(shell id -g) docker compose -f image/docker-compose.yml run --rm aws-auth ${username} ${mfa_code}
+