chore: config rector

.gitattributes

@@ -6,6 +6,7 @@
 docker-compose.override.yml export-ignore
 docker-compose.yml export-ignore
 ecs.php export-ignore
+rector.php export-ignore
 /lib/ export-ignore
 /plugins/ export-ignore
 /squelettes/ export-ignore

rector.php

+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Rector\Set\ValueObject\LevelSetList;
+use Rector\Php81\Rector\ClassConst\FinalizePublicClassConstantRector;
+use Rector\Php81\Rector\FuncCall\NullToStrictStringFuncCallArgRector;
+use Rector\Php71\Rector\FuncCall\CountOnNullRector;
+use Rector\Php80\Rector\FunctionLike\MixedTypeRector;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->paths([
+        __DIR__ . '/ecrire',
+        __DIR__ . '/prive',
+        __DIR__ . '/spip.php',
+        __DIR__ . '/index.php',
+    ]);
+
+	$rectorConfig->sets([
+		LevelSetList::UP_TO_PHP_81
+	]);
+
+    $rectorConfig->skip([
+        __DIR__ . '/ecrire/lang',
+		FinalizePublicClassConstantRector::class,
+		NullToStrictStringFuncCallArgRector::class,
+		CountOnNullRector::class,
+		MixedTypeRector::class,
+    ]);
+
+};