在后台编辑器加个按钮，让图片后面可以自动加上分页符
Batch add paging separators to all images in editor. Add a button to the classic editor, when clicking on it, all the images in the editor will be appended with a separator.
Compatibility
The plugin is not working with all themes! Theme requirements:
- jQuery is required, jQuery version 1.8.3 (or later) is recommended.
- No JavaScript errors caused by other plugins and scripts.