demo(refresher): add basic demo

js/angular/directive/refresher.js

@@ -57,6 +57,45 @@
  * the refresher.
  *
  */
+/**
+ * @ngdoc demo
+ * @name ionRefresher#withAList
+ * @module refresherList
+ * @javascript 
+ * angular.module('refresherList', ['ionic'])
+ * .controller('RefresherCtrl', function($scope, $timeout) {
+ *   $scope.items = ['Item 1', 'Item 2', 'Item 3'];
+ *
+ *   $scope.doRefresh = function() {
+ *     $timeout(function() {
+ *       $scope.items.push('New Item ' + Math.floor(Math.random() * 1000) + 4);
+ *       $scope.items.push('New Item ' + Math.floor(Math.random() * 1000) + 4);
+ *       $scope.items.push('New Item ' + Math.floor(Math.random() * 1000) + 4);
+ *       $scope.items.push('New Item ' + Math.floor(Math.random() * 1000) + 4);
+ *       $scope.$broadcast('scroll.refreshComplete');
+ *     }, 1000);
+ *   };
+ * });
+ *
+ * @html
+ * <ion-header-bar class="bar-positive">
+ *   <h1 class="title">Refresher</h1>
+ * </ion-header-bar>
+ * 
+ * <ion-content ng-controller="RefresherCtrl">
+ * 
+ *   <ion-refresher on-refresh="doRefresh()" 
+ *                  pulling-text="Pull to refresh..." 
+ *                  refreshing-text="Refreshing!" 
+ *                  refreshing-icon="ion-loading-c">
+ *   </ion-refresher>
+ * 
+ *   <ion-list>
+ *     <ion-item ng-repeat="item in items">{{item}}</ion-item>
+ *   </ion-list>
+ * 
+ * </ion-content>
+ */
 IonicModule
 .directive('ionRefresher', ['$ionicBind', function($ionicBind) {
   return {