Add rector for automated refactoring

rector.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\CodeQuality\Rector\Class_\InlineConstructorDefaultToPropertyRector;
+use Rector\Config\RectorConfig;
+use Rector\Set\ValueObject\LevelSetList;
+use Rector\Set\ValueObject\SetList;
+use Rector\Symfony\Set\SymfonyLevelSetList;
+use Rector\Symfony\Set\SymfonySetList;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->symfonyContainerXml(__DIR__ . '/var/cache/dev/App_KernelDevDebugContainer.xml');
+    $rectorConfig->symfonyContainerPhp(__DIR__ . '/tests/symfony-container.php');
+
+    $rectorConfig->paths([
+        __DIR__ . '/config',
+        __DIR__ . '/public',
+        __DIR__ . '/src',
+        __DIR__ . '/tests',
+    ]);
+
+    // register a single rule
+    //$rectorConfig->rule(InlineConstructorDefaultToPropertyRector::class);
+
+    // define sets of rules
+    $rectorConfig->sets([
+        //SetList::CODE_QUALITY,
+        //LevelSetList::UP_TO_PHP_81,
+        SymfonyLevelSetList::UP_TO_SYMFONY_62,
+        //SymfonySetList::ANNOTATIONS_TO_ATTRIBUTES,
+        SymfonySetList::SYMFONY_CODE_QUALITY,
+    ]);
+};