docs: update `hosting.md` with Vercel hosting instructions (#406)

Zane Helton

2023-08-23 632c27b7ec133d15d890eb28c98eb9716ca01407

 quartz/components/DesktopOnly.tsx

@@ -4,9 +4,7 @@
  if (component) {
    const Component = component
    function DesktopOnly(props: QuartzComponentProps) {
      return <div class="desktop-only">
        <Component {...props} />
      </div>
      return <Component displayClass="desktop-only" {...props} />
    }

    DesktopOnly.displayName = component.displayName