next.js

83c839dd - updated with-plausible example to utilize the app router. (#73255)

updated with-plausible example to utilize the app router. (#73255) This PR updates the with-plausible example for using the App Router. Here are the changes that have been made: - I renamed the `pages` folder and moved it to the `app` folder. - Added the layout.tsx file as part of the App Router. - Moved component folder into app folder. - Updated the package.json file. CC: @samcx --------- Co-authored-by: Sam Ko <sam@vercel.com>