Introduce `MigrationForm` class

application/forms/MigrationForm.php

@@ -0,0 +1,25 @@
+<?php
+
+/* Icinga Web 2 | (c) 2023 Icinga GmbH | GPLv2+ */
+
+namespace Icinga\Forms;
+
+use ipl\Html\Form;
+use ipl\Web\Common\CsrfCounterMeasure;
+use ipl\Web\Common\FormUid;
+
+class MigrationForm extends Form
+{
+    use CsrfCounterMeasure;
+    use FormUid;
+
+    protected $defaultAttributes = [
+        'class' => ['icinga-form', 'migration-form', 'icinga-controls'],
+        'name'  => 'migration-form'
+    ];
+
+    protected function assemble(): void
+    {
+        $this->addHtml($this->createUidElement());
+    }
+}