add sed command

ejabberd/README.md

@@ -11,7 +11,7 @@ https://www.altlinux.org/%D0%A1%D0%BE%D0%B7%D0%B4%D0%B0%D0%BD%D0%B8%D0%B5_%D1%81
 apt-get install ejabberd openssl
 cp conf/ejabberd/ejabberd.yml /etc/ejabberd/ejabberd.yml
 
-
+sed -i "s|REPLACE_HOST_SERVICE|ej.testopen.sharix-app.org|g" /etc/ejabberd/ejabberd.yml
 
 mkdir -p /var/www/webapps/jabber_data