code: function insert(model) {
        model = this.records.add(model, { merge: true });
        return Promise.resolve(model);
      }
docs: Insert a model into the store.
  
  @public
  @instance
  @method insert
  @memberOf Storage
  @params {Object|Backbone.Model} - The model to add.
  @returns {Promise} - A promise that will resolve to the added model.