add debug

mqtt2prom/run

@@ -64,12 +64,28 @@ $mqtt->onMessage(function ($message) use (
     &$news,
     &$globalCounter,
     &$isRunning,
+    $mqtt,
     $mqttTopic
 ) {
     if ($mqttTopic . "/restart" === $message->topic) {
         $isRunning = false;
         return;
     }
+    if ($mqttTopic . "/debug" === $message->topic) {
+        $mqtt->publish(
+            $mqttTopic . "/debug",
+            strval(
+                json_encode(
+                    $data,
+                    JSON_UNESCAPED_SLASHES +
+                        JSON_UNESCAPED_UNICODE +
+                        JSON_PRETTY_PRINT
+                )
+            ),
+            2
+        );
+        return;
+    }
     $globalCounter++;
     $stats["messages"][] = time();