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>

next.config.js

@@ -1,9 +1,24 @@
 /** @type {import('next').NextConfig} */
 const nextConfig = {
   output: 'standalone',
+  compress: true,
+  poweredByHeader: false,
   images: {
     unoptimized: true,
   },
+  async headers() {
+    return [
+      {
+        source: '/api/files/:path*',
+        headers: [
+          { key: 'Cache-Control', value: 'public, max-age=31536000, immutable' },
+        ],
+      },
+    ]
+  },
+  turbopack: {
+    root: process.cwd(),
+  },
 }
 
 module.exports = nextConfig