Add mariadb command line arguments

.examples/docker-compose/with-nginx-proxy-self-signed-ssl/mariadb/fpm/docker-compose.yml

@@ -3,6 +3,7 @@ version: '3'
 services:
   db:
     image: mariadb
+    command: --transaction-isolation=READ-COMMITTED --binlog-format=ROW
     restart: always
     volumes:
       - db:/var/lib/mysql