I found next solution:

void main()
{

	auto settings = new HTTPServerSettings;
	settings.port = 8080;
	settings.errorPageHandler = toDelegate(&errorPage);

	auto router = new URLRouter();
	router.get("*", &index);

	listenHTTP(settings, router);

	registerRestInterface(router, new SO());
	auto routes = router.getAllRoutes();

	runEventLoop();

}

void index(HTTPServerRequest req, HTTPServerResponse res)
{
	serveStaticFiles("./public/")(req,res);
}