Disable site if certificate creation fails

src/freedombone-utils-web

             check_certificates ${SITE_DOMAIN_NAME}
         else
             echo $"Lets Encrypt failed for $SITE_DOMAIN_NAME"
+            if [ -f /etc/nginx/sites-available/$SITE_DOMAIN_NAME ]; then
+                nginx_dissite $SITE_DOMAIN_NAME
+                systemctl restart nginx
+            fi
             exit 682529
         fi
         return