feature: dtd migration step

src/FormMigration/Steps/DoubleTheDonation.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Give\FormMigration\Steps;
+
+use Give\FormMigration\Contracts\FormMigrationStep;
+use Give\Framework\Blocks\BlockModel;
+
+/**
+ * @unreleased
+ */
+class DoubleTheDonation extends FormMigrationStep
+{
+
+    /**
+     * @unreleased
+     */
+    public function process()
+    {
+        if ($this->formV2->getDoubleTheDonationStatus() !== 'enabled') {
+            return;
+        }
+
+        $block = BlockModel::make([
+            'name'       => 'givewp/dtd',
+            'attributes' => [
+                'label'   => $this->formV2->getDoubleTheDonationLabel(),
+                'company' => [
+                    'company_id'   => '',
+                    'company_name' => '',
+                    'entered_text' => '',
+                ],
+            ],
+        ]);
+
+        $this->fieldBlocks->insertAfter('givewp/donation-amount', $block);
+    }
+}