How to include my paths in the right way, that i can get me form complete with css, style in plugins

class contactform{

public function __construct(){

add_action(‘home.php’, array($this, ‘enqueue’));
add_shortcode(‘contact’, array($this, ‘enqueue’));
}

function activate(){

}

function deactivate(){

}
function register(){
add_action(‘admin_enqueue_style’, array($this, ‘enqueue’));

}

function enqueue(){

}

}

$contact = new contactform();
$contact->register();

register_activation_hook(FILE, array($contact, ‘activate’));
register_deactivation_hook(FILE, array($contact, ‘deactivate’));