File based iconMetadata Files: favicon, icon, and apple-iconAPI Reference for the Favicon, Icon and Apple Icon file conventions.https://nextjs.org/docs/app/api-reference/file-conventions/metadata/app-icons#image-files-ico-jpg-pngFunctions: generateMetadataLearn how to add Metadata to your Next.js application for improved search engine optimization (SEO) and web shareability.https://nextjs.org/docs/app/api-reference/functions/generate-metadata#alternates