maybe fix countdown timezone

src/app/website/index/Countdown.svelte

@@ -2,11 +2,10 @@
   import { onDestroy } from 'svelte';
 
   interface Props {
-      start?: Date,
       end: Date,
   }
 
-  let { start, end }: Props = $props();
+  let { end }: Props = $props();
 
   const title = `Spielstart ist am ${new Date(end).toLocaleString('de-DE', {
     day: '2-digit',
@@ -17,7 +16,8 @@
   })} Uhr`;
 
   function getUntil(): [number, number, number, number] {
-    let diff = (end.getTime() - (start?.getTime() || Date.now()) + end.getTimezoneOffset()) / 1000;
+    const now = new Date();
+    const diff = (end.getTime() - now.getTime() + now.getTimezoneOffset()) / 1000;
 
     return [
       Math.floor(diff / (60 * 60 * 24)),