code: function addInitModel(scope, initialModel, pageName) {
          angular.extend(scope, initialModel);
  
          if (scope.pageHead && scope.pageHead.title) {
              var title = scope.pageHead.title;
              pageSettings.updateHead(title, scope.pageHead.description ||  title);
              pageSettings.updatePageStyle(pageName);
          }
      }
docs: Add the initial model to the scope and set the page title, desc, etc.
  @param scope
  @param initialModel
  @param pageName