feat: add a header message

plugins/logs/subcommands/failed

@@ -24,6 +24,8 @@ fn-logs-failed-single() {
   declare desc="shows the last failed deploy logs for an app"
   declare APP="$1"
   local DOKKU_SCHEDULER
+
+  dokku_log_info2_quiet "${APP} failed deploy logs"
   DOKKU_SCHEDULER=$(config_get "$APP" DOKKU_SCHEDULER || echo "docker-local")
   plugn trigger scheduler-logs-failed "$DOKKU_SCHEDULER" "$APP"
 }