feat(shortcodes): add new shortcode - media_files_fetch

example:

[media_files_fetch id="foo.txt" field="title" default="Bar"]

src/flextype/Support/Parsers/Shortcodes/MediaShortcode.php

@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * Flextype (https://flextype.org)
+ * Founded by Sergey Romanenko and maintained by Flextype Community.
+ */
+
+use Thunder\Shortcode\Shortcode\ShortcodeInterface;
+
+// Shortcode: [media_files_fetch id="media-id" field="field-name" default="default-value"]
+if (flextype('registry')->get('flextype.settings.parsers.shortcode.shortcodes.media.enabled')) {
+    flextype('parsers')->shortcode()->addHandler('media_files_fetch', static function (ShortcodeInterface $s) {
+        return arrays(flextype('media')->files()->fetch($s->getParameter('id')))->get($s->getParameter('field'), $s->getParameter('default'));
+    });
+}

src/flextype/settings.yaml

@@ -354,6 +354,8 @@ parsers:
     max_nesting_level: INF
   shortcode:
     shortcodes:
+      media:
+        enabled: true
       entries:
         enabled: true
       raw: