How to use markdown plugin

[Zhengqbbb]

Feature request

Description

I need to use the CheckBox plugin(markdown-it-task-lists), but when I use the 1.0 version, I know it is used like this, but when I use it like this 2.0, an error will be reported

vuejs/vuepress#2364
vuejs/vuepress#986

 markdown: {
    plugins: ['task-lists']
  }

Proposed Solution

type error?

[Lemmingh]

https://v2.vuepress.vuejs.org/guide/migration.html#markdown-plugins