added make restart_app

Makefile

@@ -58,5 +58,8 @@ exec_api:
 exec_app:
 		docker exec -it enfrancais_app_1 sh
 
+restart_app:
+	docker-compose restart app
+
 exec_mysql:
 		docker exec -it enfrancais_mysql_1 bash

README.md

@@ -240,6 +240,9 @@ exec_api:
 exec_app:
 		docker exec -it enfrancais_app_1 sh
 
+restart_app:
+  docker-compose restart app
+
 exec_mysql:
 		docker exec -it enfrancais_mysql_1 bash
 ```