feat(dump): track async dump jobs in a status table

src/Migration/Migration1789413583CreateDumpJobTable.php

@@ -0,0 +1,35 @@
+<?php declare(strict_types=1);
+
+namespace AeonDumpManager\Migration;
+
+use Doctrine\DBAL\Connection;
+use Shopware\Core\Framework\Migration\MigrationStep;
+
+class Migration1789413583CreateDumpJobTable extends MigrationStep
+{
+    public function getCreationTimestamp(): int
+    {
+        return 1789413583;
+    }
+
+    public function update(Connection $connection): void
+    {
+        $connection->executeStatement(<<<'SQL'
+            CREATE TABLE IF NOT EXISTS `aeon_dump_manager_job` (
+                `id` BINARY(16) NOT NULL,
+                `status` VARCHAR(20) NOT NULL,
+                `percent` SMALLINT UNSIGNED NULL,
+                `filename` VARCHAR(255) NULL,
+                `error_message` TEXT NULL,
+                `created_at` DATETIME(3) NOT NULL,
+                `updated_at` DATETIME(3) NULL,
+                PRIMARY KEY (`id`)
+            ) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4;
+        SQL);
+    }
+
+    public function updateDestructive(Connection $connection): void
+    {
+        // nothing destructive to do
+    }
+}