Improve documentation for post thumbnails, improve spacing

 * @see https://developer.wordpress.org/themes/basics/theme-functions/

 */

// add support for theme functions

// - add support for post thumbnails

// We support post thumbnails (now known as "featured images"). A post thumbnail is displayed

// in the header of a post.

add_theme_support('post-thumbnails');

// - add support for custom menus

add_theme_support('menus');

// - add support for header image

add_theme_support('custom-header', array('default-image'=>get_template_directory_uri().'/img/header.jpg', 'uploads'=>true));