Add sample project for experimentations and testing

[tusharsnx]

We are using a sample project created with npx create-next-app for testing the plugin code during the development. The project uses all the default files created by the mentioned command except, the className values on each JSX element in app/page.tsx have been updated to use simple strings. The plugin code transforms the string classnames (className="my-class") into object notations (className={style.myClass}) seamlessly 😉