first commit

typo3/sysext/belog/ext_localconf.php

@@ -0,0 +1,10 @@
+<?php
+defined('TYPO3_MODE') or die();
+
+\TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\TYPO3\CMS\Extbase\SignalSlot\Dispatcher::class)
+    ->connect(
+        \TYPO3\CMS\Backend\Backend\ToolbarItems\SystemInformationToolbarItem::class,
+        'loadMessages',
+        \TYPO3\CMS\Belog\Controller\SystemInformationController::class,
+        'appendMessage'
+    );