design article title and add author virtual page

site/plugins/helpers/index.php

@@ -0,0 +1,37 @@
+<?php
+
+function setTitleFontSizeClass($title, $level = 'h1')
+{
+    $length = strlen($title);
+
+    if ($level === 'h1') {
+        switch (true) {
+            case ($length < 35):
+                return 'fs-xxl';
+                break;
+
+            case ($length < 70):
+                return 'fs-xl';
+                break;
+
+            default:
+                return 'fs-l';
+                break;
+        }
+    }
+}
+
+function getAuthorBySlug($slug)
+{
+    $kirby = kirby();
+    $author = '';
+    foreach ($kirby->users() as $user) {
+
+        if (Str::slug($user->name()) === $slug) {
+
+            $author = $user;
+        }
+    }
+
+    return $author;
+}