Add restart: always to nginx-proxy docker configuration

docker-containers/nginx-proxy/docker-compose.yml

@@ -3,6 +3,7 @@ version: "2"
 services:
   nginx-proxy:
     image: jwilder/nginx-proxy
+    restart: always
     ports:
       - 80:80
       - 443:443
@@ -18,6 +19,7 @@ services:
 
   nginx-proxy-acme:
     image: nginxproxy/acme-companion
+    restart: always
     volumes_from:
       - nginx-proxy
     volumes: