Setting head components in gatsby

gatsby-ssr.js

const React = require("react")

exports.onRenderBody = ({ setHeadComponents }) => {
  setHeadComponents([
    <link
      href="https://cloud.typography.com/path/to/your/file.css"
      rel="stylesheet"
      type="text/css"
      media="print"
      onload="this.media='all'"
      referrerpolicy="origin"
    />,
  ])
}