Add the ability to create blog pages and blog-posts.

templates/blog-post.php

@@ -0,0 +1,17 @@
+<?= snippet("header") ?>
+
+<?= snippet("page/title", ["showDate" => true]) ?>
+
+<?= $page->text()->kirbytext() ?>
+
+<hr class="mb-3">
+
+<?php if (($user = $kirby->user()) and $user->role()->isAdmin()) : ?>
+<div class="clearfix mb-3">
+	<div class="float-end">
+		<a href="<?= $page->panel()->url() ?>" target="_blank"><?= kirbytag("fa", "edit") ?></a>
+	</div>
+</div>
+<?php endif ?>
+
+<?= snippet("footer") ?>