<?php

/**
 * Implements hook_entity_type_alter().
 *
 * Adds the Metadata Profile tab to the entity configuration page.
 */
function metadata_profile_entity_type_alter(array &$entity_types) {
  /** @var \Drupal\Core\Entity\EntityTypeInterface $entity_type */
  foreach ($entity_types as $entity_type) {
    if ($entity_type->getBundleOf() && $entity_type->hasLinkTemplate('edit-form')) {
      $entity_type->setLinkTemplate('metadata-profile', $entity_type->getLinkTemplate('edit-form') . "/metadata-profile");
    }
  }
}