Demo guide : 
1 - copy /richtexteditor/  to folder 'public'
2 - add 
    /richtexteditor/rte_theme_default.css
    /richtexteditor/rte.js
    /richtexteditor/plugins/all_plugins.js
      to index.html
3 - in vue component , use ref to get element , and run var rte=new RichTextEditor(div);