Move prerender option to layout.ts for improved structure

Author: LoStisWorld

src/routes/+layout.svelte

@@ -1,7 +1,6 @@
 <script lang="ts">
 	import '../app.css';
 	let { children } = $props();
-	export const prerender = true;
 </script>
 
 {@render children()}

src/routes/+layout.ts

@@ -0,0 +1 @@
+export const prerender = true;