ohmu/third/drupal/mustikas11/add_filedepot_main.php

<?php
// Lisa Filedepot link main-menüüsse (nähtavus) + kontrolli tools linki.
use Drupal\menu_link_content\Entity\MenuLinkContent;

// main menüü: Filedepot -> /filedepot (Dokumendid kõrvale).
$existing = \Drupal::entityTypeManager()->getStorage('menu_link_content')
  ->loadByProperties(['menu_name' => 'main', 'title' => 'Filedepot']);
if (empty($existing)) {
  $ml = MenuLinkContent::create([
    'title' => 'Filedepot',
    'menu_name' => 'main',
    'link' => ['uri' => 'internal:/filedepot'],
    'weight' => -27,
    'expanded' => FALSE,
  ]);
  $ml->save();
  echo "main: Filedepot link loodud\n";
} else {
  echo "main: Filedepot juba olemas\n";
}

echo "done\n";