add support infos

composer.json

@@ -12,6 +12,10 @@
       "role": "Developer"
     }
   ],
+  "support": {
+    "email": "info@php-backoffice.de",
+    "forum": "https://forum.contenido.org/viewtopic.php?f=116&t=44721"
+  },
   "require": {
     "php": ">=8.2",
     "phpmailer/phpmailer": "v6.9.1",