WordPress: Add image size to block editor settings (ex: Media & Text block)

add-image-size.php

<?php
class Main {
  public function __construct() {
    $this->init();
  }
  
  public function init() {
    add_action( 'after_setup_theme', array( $this, 'add_image_sizes' ) );
    add_filter( 'image_size_names_choose', array( $this, 'show_image_sizes' ) );
  }
  
  public function add_image_sizes() {
    add_image_size( 'custom-logo', 220, 180, true );
  }
  
  public function show_image_sizes() {
     $sizes['custom-logo'] = __( 'Custom logo' );
     return $sizes;
  }
}