feat: MailJet list handling with DOI, webhook receiver and API endpoint

addresses #869cut134

migrations/Version20260429130000.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20260429130000 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Rename newsletter opt-in confirmation table to newsletter opt-in request';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('RENAME TABLE newsletter_opt_in_confirmation TO newsletter_opt_in_request');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('RENAME TABLE newsletter_opt_in_request TO newsletter_opt_in_confirmation');
+    }
+}