Remove unnecessary Partial Prerendering (PPR) configuration

- Remove cacheComponents: true from next.config.mjs
- Update README.md to remove PPR references
- All pages are fully static-generated, PPR provides no benefit

Co-authored-by: Cursor <cursoragent@cursor.com>

next.config.mjs

@@ -8,8 +8,6 @@ const nextConfig = {
     imageSizes: [16, 32, 48, 64, 96, 128, 256, 384],
   },
 
-  // Enable Partial Prerendering (PPR) via cacheComponents in Next.js 16
-  cacheComponents: true,
 
   // Compiler optimizations
   compiler: {