message: add the title for 404 pages to enable tracking.
  Fixes
diff: <script lang="ts">
  import { dev } from "$app/env";
  + import OpenGraph from "../components/open-graph.svelte";
  import Section from "../components/section.svelte";
  export let status: number;
  export let error: Error;
  </script>
  +<OpenGraph
  + data={{
  + description: "404 Oh, no! Something went wrong on our side.",
  + title: "Page Not Found",
  + }}
  +/>
  +
  <div class="error-page row">
  <Section>
  <img
  