Обновить 'README.md'

README.md

@@ -44,10 +44,12 @@ avto4certbot.sh --help; this help
 ```
 
 * check work - create on server:
+
 ```
 echo "WELCOME" >/var/www/certbot/www/.well-known/acme-challenge/test.txt
 ```
 * check from an external client:
+
 ```
 curl -ikL http://mydomen.ru/.well-known/acme-challenge/test.txt
 ```