discourse/app/assets/javascripts/admin/routes/admin_site_settings_route.js

/**
  Handles routes related to viewing and editing site settings.

  @class AdminSiteSettingsRoute    
  @extends Discourse.Route
  @namespace Discourse
  @module Discourse
**/
Discourse.AdminSiteSettingsRoute = Discourse.Route.extend({
  model: function() {
    return Discourse.SiteSetting.findAll();
  },

  renderTemplate: function() {
    this.render('admin/templates/site_settings', {into: 'admin/templates/admin'});
  }    
});