Add rector with ASC rules

Author: guitoon

rector.php

@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+
+return RectorConfig::configure()
+    ->withPaths([
+        __DIR__ . '/src',
+        __DIR__ . '/tests',
+    ])
+    // uncomment to reach your current PHP version
+    // ->withPhpSets()
+    ->withTypeCoverageLevel(0)
+    ->withSets([
+        __DIR__ . '/vendor/assoconnect/php-quality-config/src/Rector/rules.php',
+    ]);