feat: enhance rosary with interactive Bible citations and improved mystery selection

- Add clickable Bible reference buttons that open modal with full verses
- Create BibleModal component with backdrop blur and styled close button
- Implement build-time data fetching for Bible texts while maintaining reactivity
- Redesign mystery selector with responsive grid (3-in-row/4-in-row/2×2)
- Add "Heutige" badge to indicate today's auto-selected mystery
- Reposition luminous mysteries toggle below mystery selector
- Integrate Bible reference and counter buttons side-by-side
- Restructure Bible API under /api/glaube/bibel/ for better organization

src/lib/components/CounterButton.svelte

@@ -10,9 +10,6 @@ export let onClick;
 
 <style>
 .counter-button {
-	position: absolute;
-	bottom: 0.5rem;
-	right: 0.5rem;
 	width: 3rem;
 	height: 3rem;
 	border-radius: 50%;