Update static site config

Author: Sanqui

src/routes/+layout.svelte

@@ -1,4 +1,6 @@
-<script lang="ts">	
+<script lang="ts">
+	export const prerender = true;
+
 	import { lang } from '../stores.js';
 	import Meta from '$lib/Meta.svelte';
 	import Header from '$lib/Header.svelte';

svelte.config.js

@@ -16,7 +16,7 @@ const config = {
 			// these options are set automatically — see below
 			pages: 'build',
 			assets: 'build',
-			fallback: 'index.html',
+			fallback: undefined,
 			precompress: false,
 			strict: true,
 		}),