insert plugin for MarkdownIt
npm install @mdit/plugin-ins

Mark plugin for MarkdownIt.
``bashpnpmpnpm add -D @mdit/plugin-insnpmnpm i -D @mdit/plugin-insyarnyarn add -D @mdit/plugin-ins``
bashpnpmpnpm add -D @mdit/plugin-insnpmnpm i -D @mdit/plugin-insyarnyarn add -D @mdit/plugin-ins