Add config for rector.

.ci/rector.php

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+
+return RectorConfig::configure()
+    ->withPaths([
+        __DIR__ . '/../app',
+        __DIR__ . '/../bootstrap',
+        __DIR__ . '/../config',
+        __DIR__ . '/../public',
+        __DIR__ . '/../resources',
+        __DIR__ . '/../routes',
+        __DIR__ . '/../tests',
+    ])
+    // uncomment to reach your current PHP version
+     ->withPhpSets()
+    ->withTypeCoverageLevel(0)
+    ->withDeadCodeLevel(0)
+    ->withCodeQualityLevel(0);