Fix copyright for new files.

app/Support/Search/QueryParser/Node.php

@@ -1,5 +1,26 @@
 <?php
 
+
+/*
+ * Node.php
+ * Copyright (c) 2025 https://github.com/Sobuno
+ *
+ * This file is part of Firefly III (https://github.com/firefly-iii).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see https://www.gnu.org/licenses/.
+ */
+
 declare(strict_types=1);
 
 namespace FireflyIII\Support\Search\QueryParser;