Adding Taxonomy Options

add_filter('stm_wpcfto_term_meta_fields', function ($fields) {

    $fields['category'] = array(
        'course_text' => array(
            'label' => esc_html__('Category Text', 'my-domain'),
            'type' => 'text',
        ),
        'course_image' => array(
            'label' => esc_html__('Category Image', 'my-domain'),
            'type' => 'image',
        ),
        'course_icon' => array(
            'label' => esc_html__('Category Icon', 'my-domain'),
            'type' => 'icon',
        ),
        'course_color' => array(
            'label' => esc_html__('Category Color', 'my-domain'),
            'type' => 'color',
        ),
    );

    return $fields;

}, 1000, 1);

Adding three fields to taxonomy. Key of array is a taxonomy slug (i.e.: 'category' - default post taxonomy)

Currently, taxonomy fields not builded on main framework. General fields not available!