feat: initial work on presets

src/Contracts/ArchPreset.php

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Pest\Contracts;
+
+use Pest\Arch\Contracts\ArchExpectation;
+use Pest\PendingCalls\TestCall;
+
+/**
+ * @internal
+ */
+interface ArchPreset
+{
+    /**
+     * Boots the arch preset.
+     *
+     * @param  array<int, string>  $baseNamespaces
+     */
+    public function boot(TestCall $testCall, array $baseNamespaces): TestCall|ArchExpectation;
+}