feat: Add tooltip to star rating and support section updates

- Add tooltip to star rating component encouraging users to help curators
- Add curator application information to support section
- Add bug report email link to support section
- All changes localized (de/en)

components/Game.tsx

@@ -687,7 +687,11 @@ function StarRating({ onRate, hasRated }: { onRate: (rating: number) => void, ha
     }
 
     return (
-        <div className="star-rating" style={{ display: 'flex', flexDirection: 'column', alignItems: 'center', gap: '0.5rem' }}>
+        <div
+            className="star-rating"
+            title={t('ratingTooltip')}
+            style={{ display: 'flex', flexDirection: 'column', alignItems: 'center', gap: '0.5rem' }}
+        >
             <span style={{ fontSize: '0.875rem', color: 'var(--muted-foreground)', fontWeight: '500' }}>{t('rateThisPuzzle')}</span>
             <div style={{ display: 'flex', gap: '0.25rem', justifyContent: 'center' }}>
                 {[...Array(5)].map((_, index) => {