Add ts/routes/editor

ts/routes/editor/[noteId]/+page.svelte

@@ -0,0 +1,12 @@
+<!--
+Copyright: Ankitects Pty Ltd and contributors
+License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+-->
+<script lang="ts">
+    import type { PageData } from "./$types";
+
+    export let data: PageData;
+
+</script>
+
+<div>{data.noteId}</div>

ts/routes/editor/[noteId]/+page.ts

@@ -0,0 +1,10 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
+import type { PageLoad } from "./$types";
+
+export const load = (async ({ params }) => {
+    const noteId = BigInt(params.noteId);
+
+    return { noteId };
+}) satisfies PageLoad;