Add copyright, strict_types header

Author: mattwellss

src/bitExpert/PHPStan/Magento/Autoload/Autoloader.php

@@ -1,5 +1,15 @@
 <?php
 
+/*
+ * This file is part of the phpstan-magento package.
+ *
+ * (c) bitExpert AG
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+declare(strict_types=1);
+
 namespace bitExpert\PHPStan\Magento\Autoload;
 
 interface Autoloader

tests/bitExpert/PHPStan/Magento/Autoload/RegistrationUnitTest.php

@@ -1,5 +1,15 @@
 <?php
 
+/*
+ * This file is part of the phpstan-magento package.
+ *
+ * (c) bitExpert AG
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+declare(strict_types=1);
+
 namespace bitExpert\PHPStan\Magento\Autoload;
 
 use PHPStan\Cache\Cache;