feat: complete memorial website features

- Add user contribution system (memories, timeline entries)
- Add AI content moderation with Ollama (bad word detection + qwen3:4b)
- Add family photo/video upload with admin approval
- Add candle lighting feature
- Add timeline and recipe sections
- Add QR code page and OG image
- Add site authentication (password-protected access)
- Add proxy middleware for auth routing
- Add admin dashboard for content management
- Remove email fields, make name optional (default: Anonym)
- Add CI/CD pipeline for Gitea Actions
- Add Docker deployment configuration
- Optimize Ollama RAM usage (42GB → 2.9GB)
- Fix API routes accessibility through proxy middleware

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

src/components/PhotoSlideshow.tsx

@@ -29,7 +29,7 @@ export default function PhotoSlideshow({ photos }: { photos: MediaItem[] }) {
   return (
     <div
       className="relative w-full overflow-hidden rounded-2xl shadow-2xl mb-10"
-      style={{ aspectRatio: '16/7' }}
+      style={{ aspectRatio: '3/2' }}
       onMouseEnter={() => setPaused(true)}
       onMouseLeave={() => setPaused(false)}
     >