feat: connector credentials check

src/Message/ValidateConnectorCredentials.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Message;
+
+final class ValidateConnectorCredentials
+{
+    /*
+     * Add whatever properties and methods you need
+     * to hold the data for this message class.
+     */
+
+    // public function __construct(
+    //     public readonly string $name,
+    // ) {
+    // }
+}