vue 拖拽相关

1. dragable学习
   参考：https://blog.csdn.net/qq_41619796/article/details/116027212
   参考：https://blog.csdn.net/lhz_333/article/details/123403911
   学习：https://www.itxst.com/vue-draggable/tutorial.html
   git: https://github.com/SortableJS/Vue.Draggable
   vue3: https://github.com/SortableJS/vue.draggable.next
   示例：https://sortablejs.github.io/vue.draggable.next/#/simple
2. 相关库
   2.1 vue-dnd
   2.2 vue-dragable-resizable
   npm：https://www.npmjs.com/package/vue3-draggable-resizable