WP functions

add_theme_support('menus');
add_theme_support('post-thumbnails');
add_action('init', 'register_my_menus');

function register_my_menus() {
    register_nav_menus(
            array(
                'primary-menu' => __('Viršutinis meniu'),
                 'secondary-menu' => __('Kategoriju meniu')
            // 'secondary-menu' => __( 'Pagrindinis meniu' ),
            )
    );
}