first commit

wp-content/mu-plugins/acf-options-pages.php

@@ -0,0 +1,22 @@
+<?php
+/**
+ * Register ACF options pages.
+ */
+
+if (!defined('ABSPATH')) {
+    exit;
+}
+
+add_action('acf/init', function () {
+    if (!function_exists('acf_add_options_page')) {
+        return;
+    }
+
+    acf_add_options_page([
+        'page_title' => 'Site Settings',
+        'menu_title' => 'Site Settings',
+        'menu_slug'  => 'site-settings',
+        'capability' => 'edit_posts',
+        'redirect'   => false,
+    ]);
+});