Set up rector

Signed-off-by: Philipp Daun <post@philippdaun.net>

Author: daun

composer.json

@@ -0,0 +1,5 @@
+{
+    "require-dev": {
+        "rector/rector": "^2.0"
+    }
+}

composer.lock

@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+
+return RectorConfig::configure()
+    ->withPaths([__DIR__])
+    ->withSkip([__DIR__ . '/vendor'])
+    ->withPhpSets(php83: true)
+    ->withRules([
+        // TypedPropertyFromStrictConstructorRector::class
+    ])
+    // here we can define, what prepared sets of rules will be applied
+    ->withPreparedSets(
+        // deadCode: true,
+        // codeQuality: true
+    );