code: function addStaticRoute(routePath, targets) {
  		if (!Object.isArray(targets)) {
  			targets = [targets];
  		}
  		targets.forEach(function(target) {
  			if (target)
  				app.use(routePath, app.middleware.static(path.resolve(config.rootDir, target)));
  		});
  	}
docs: add a static route
  @param {String} routePath route path
  @param {String} target    target path (relative to the scarab root)