版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/editor-md/1.5.0/editormd.amd.js
- https://cdn.bootcdn.net/ajax/libs/editor-md/1.5.0/editormd.amd.min.js
- https://cdn.bootcdn.net/ajax/libs/editor-md/1.5.0/editormd.js
- https://cdn.bootcdn.net/ajax/libs/editor-md/1.5.0/editormd.min.js