仿网易新闻栏目编辑功能，增加，拖拽

1.增加不可拖拽的默认列表

2.修改拖拽之后，界面显示正确，数据源不正确的问题

感谢分享： https://github.com/GHpeter/DragRecycleView

https://blog.csdn.net/u011343735/article/details/80741964