implement local welcome page

src/Model/Page.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Yoda\Model;
+
+class Page
+{
+    public static function get(string $name): ?string
+    {
+        $name = ucfirst(
+            mb_strtolower(
+                $name
+            )
+        );
+
+        $filename = __DIR__ .
+                    DIRECTORY_SEPARATOR . '..' .
+                    DIRECTORY_SEPARATOR . 'Page' .
+                    DIRECTORY_SEPARATOR . $name . '.gmi';
+
+        if (file_exists($filename) && is_readable($filename))
+        {
+            return file_get_contents(
+                $filename
+            );
+        }
+
+        return null;
+    }
+}