<script>
  /* A stupid component that make svelte:head behave the way you expect it.
   * All it does is put its contents into a <svelte:head> so that when you
   * change pages in svelte-route-spa they're updated like you expect for
   * each page.  The alternative is to move the <meta>/<link> tags into
   * a custom component, which I do on the OGPreview.svelte.
   */
<svelte:head>
  <slot>
  </slot>
</svelte:head>
