Fix outdated documentation links in examples and packages
Update all references from deprecated /docs/advanced-features/* and /docs/api-routes/* paths to their current locations:
- Codemods, multi-zones, compiler, opentelemetry
- Custom app/document, automatic static optimization
- Output file tracing, module path aliases
- Internationalization, API routes
Co-authored-by: ismael <ismael@vercel.com>
