next.js

f3c537ba - updated the example of modularize-imports to utilize the App Router (#69771)

updated the example of modularize-imports to utilize the App Router (#69771) This PR updates the modularize-imports example to use the App Router. Here are the changes that have been made: - Renamed the "pages" folder to the "app" folder. - Updated the routing for / files to align with the App Router. - Added the layout.tsx file as part of the App Router. - Updated the package.json file. CC: @samcx --------- Co-authored-by: Sam Ko <sam@vercel.com>