// app/router.js
Router.map(function () {

    let routes = [
        {route: "page_one", templateName: "default.hbs"},
        {route: "page_two", templateName: "default.hbs"},
        {route: "page_three", templateName: "custom.hbs"}
    ];

    routes.forEach(function (key) {
        this.route(key.route);
    }, this);
});