Finish compose and add license comments

utils/generate_hash.php

@@ -1,9 +1,20 @@
 <?php
-// Hashed Password Generator
-// Copyright (C) 2025 EmmeV. All rights reserved.
-// Usage: php generate_hash.php password_to_hash
-// Example: php generate_hash.php admin
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
 
+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/.
+*/
 if ($argc > 1) {
     $primoArgomento = $argv[1];
     $password = password_hash($primoArgomento, PASSWORD_DEFAULT);