first version

kirby/config/sections/mixins/layout.php

@@ -0,0 +1,12 @@
+<?php
+
+return [
+    'props' => [
+        /**
+         * Section layout. Available layout methods: list, cards.
+         */
+        'layout' => function (string $layout = 'list') {
+            return $layout === 'cards' ? 'cards' : 'list';
+        }
+    ]
+];