code: public Story story(String name, Retrospective retrospective, Map<String, Object> attributes) {
          Story story = new Story(instance);
  
          story.setName(name);
          story.setIdentifiedIn(retrospective);
          story.setProject(retrospective.getProject());
          addAttributes(story, attributes);
          story.save();
          return story;
      }
docs: Create a new story with a name. Set the story's IdentifiedIn to the given
  retrospective and the project to the retrospective's project.
  
  @param name          The initial name of the story.
  @param retrospective The retrospective this story was identified in.
  @param attributes    additional attributes for the Story.
  @return A newly minted Story that exists in the VersionOne system.