add sectioned template style

site/templates/sectioned.php

@@ -0,0 +1,26 @@
+<?php snippet('header') ?>
+
+<section>
+  <h1><?= $page->title() ?></h1>
+</section>
+
+<?php foreach($page->children() as $sectionPage): ?>
+  <section>
+    <?php if ($sectionPage->isIndexed() != 'false'): ?>
+      <h2 class="h3"><?= $sectionPage->title() ?></h2>
+    <?php endif ?>
+    <?php foreach ($sectionPage->section()->toLayouts() as $layout): ?>
+    <div class="grid" id="<?= $layout->id() ?>">
+      <?php foreach ($layout->columns() as $column): ?>
+      <div class="grid__item" style="--span:<?= $column->span() ?>">
+        <div class="blocks">
+          <?= $column->blocks() ?>
+        </div>
+      </div>
+      <?php endforeach ?>
+    </div>
+    <?php endforeach ?>
+  </section>
+<?php endforeach ?>
+
+<?php snippet('footer') ?>