[site-reviews] Save the terms value as review meta data

/**
 * Enable the Custom Fields metabox for reviews
 * @return void
 */
add_action('admin_init', function () {
    add_post_type_support('site-review', 'custom-fields');
});

/**
 * Save the terms value to the review as meta data
 * @param \GeminiLabs\SiteReviews\Review $review
 * @param \GeminiLabs\SiteReviews\Commands\CreateReview $command
 * @return void
 */
add_action('site-reviews/review/created', function ($review, $command) {
    if (wp_validate_boolean($command->request->terms)) {
        update_post_meta($review->ID, 'terms_accepted', true);
    }
}, 10, 2);