[TASK] Add missing license headers to new PHP files

Resolves: #84121
Releases: master
Change-Id: Idf51b84880d56db4d54cbad2e556bccbcf888ba1
Reviewed-on: https://review.typo3.org/55992


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Benjamin Franzke <bfr@qbus.de>
Tested-by: Benjamin Franzke <bfr@qbus.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>

typo3/sysext/frontend/Classes/AdminPanel/AdminPanelModuleInterface.php

@@ -3,6 +3,19 @@ declare(strict_types=1);
 
 namespace TYPO3\CMS\Frontend\AdminPanel;
 
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
 /**
  * Interface for admin panel modules registered via EXTCONF
  *

typo3/sysext/frontend/Classes/AdminPanel/CacheModule.php

@@ -3,6 +3,19 @@ declare(strict_types=1);
 
 namespace TYPO3\CMS\Frontend\AdminPanel;
 
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
 class CacheModule extends AbstractModule
 {
     /**