feat: add rector/rector

rector.php

@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types = 1);
+
+use Rector\Config\RectorConfig;
+use Rector\Php83\Rector\ClassMethod\AddOverrideAttributeToOverriddenMethodsRector;
+
+return RectorConfig::configure()
+    ->withPaths([
+        __DIR__ . '/app',
+        __DIR__ . '/bootstrap',
+        __DIR__ . '/resources',
+        __DIR__ . '/routes',
+        __DIR__ . '/config',
+        __DIR__ . '/tests',
+    ])
+    ->withSkip([
+        AddOverrideAttributeToOverriddenMethodsRector::class,
+    ])
+    ->withPreparedSets(
+        deadCode: true,
+        codeQuality: true,
+        typeDeclarations: true,
+        privatization: true,
+        earlyReturn: true,
+        strictBooleans: true,
+    )
+    ->withPhpSets();