timber twig callback for mb blocks.php

function mb_block_renderer($attributes, $is_preview = false, $post_id = null)
{
    $context = Timber::context();
    $context['content'] = $attributes['data'];
    $context['is_preview'] = $is_preview;
    $context['post_id'] = $post_id;

    Timber::render("blocks/{$attributes['name']}.twig", $context);
}