add_action( 'admin_menu', 'register_projects_menu_link' );
/**
 * @author    Brad Dalton
 * @example   http://wpsites.net/wordpress-admin/add-top-level-custom-admin-menu-link-in-dashboard-to-any-url/
 * @copyright 2014 WP Sites
 */
function register_projects_menu_link(){
    add_menu_page(
    'Projects',
    'Projects',
    'manage_options',
    'pojects-shortcut',
    'wpsites_custom_menu_link',
    'dashicons-portfolio',
     3 );
}

function wpsites_projects_menu_link(){
    wp_redirect( site_url() . '/wp-admin/edit.php?category_name=projects', 301 );
	exit;
}