/**
 * {@inheritdoc}
 */
public function buildForm(array $form, FormStateInterface $form_state) {
 $form['#attached'] = [
   'library' => ['my_module/my_library'],
 ];
 return $form;
}

use Drupal\file\FileUsage\DatabaseFileUsageBackend;

 /**
 * File usage service.
 */
protected DatabaseFileUsageBackend $fileUsage;

/**
 * Constructs an object.
 *
 * @param \Drupal\file\FileUsage\DatabaseFileUsageBackend $file_usage
 *   File usage service.
 */

use Drupal\Core\Queue\QueueInterface;

/**
* The queue object for a given name.
*/
protected QueueInterface $queue;

/**
 * Constructs an object.
 *
 * @param \Drupal\Core\Queue\QueueInterface $queue
 *   The queue object for a given name.
 */

use Drupal\Core\Database\Connection;

/**
 * The database connection.
 */
protected Connection $database;
 
/**
 * Constructs an object.
 *
 * @param \Drupal\Core\Database\Connection $database
 *   The database connection.
 */
public

use Drupal\Core\File\FileUrlGeneratorInterface;

/**
 * The file URL generator.
 */
protected FileUrlGeneratorInterface $fileUrlGenerator;

/**
 * Constructs an object.
 *
 * @param string $plugin_id
 *   The plugin_id for the formatter.
 * @p

window.ondragstart = function() { return false; }

$('body').on('contextmenu', 'img', function() {
  return false;
});

Install imagick module and enable it as default image toolkit.

Add custom code:

$items = array_intersect_key($variables['content']['field_images'], array_flip(array_filter(array_keys($variables['content']['field_images']), 'is_numeric')));

$config['system.file']['temporary_maximum_age'] = 60; //seconds