This domain is not registered with TinyMCE Cloud

参考：

https://www.cnblogs.com/wisewrong/p/8985471.html

https://www.jianshu.com/p/ce7783c8187d（没什么用）

真正解决问题的：

参考：https://github.com/tinymce/tinymce-vue/issues/30#issuecomment-497005781

import editor from '@tinymce/tinymce-vue'

import 'tinymce/tinymce'

// Theme
import 'tinymce/themes/silver/theme'

// Skins
import 'tinymce/skins/ui/oxide/skin.min.css'
import 'tinymce/skins/ui/oxide/content.min.css'
import 'tinymce/skins/content/default/content.min.css'

// Plugins
import 'tinymce/plugins/fullscreen'
import 'tinymce/plugins/paste'
import 'tinymce/plugins/autoresize'