Update 06-src-directory.mdx to mention Typescript paths

docs/02-app/01-building-your-application/07-configuring/06-src-directory.mdx

@@ -31,3 +31,4 @@ To use the `src` directory, move the `app` Router folder or `pages` Router folde
 > - If you're using `src`, you'll probably also move other application folders such as `/components` or `/lib`.
 > - If you're using Middleware, ensure it is placed inside the `src` directory.
 > - If you're using Tailwind CSS, you'll need to add the `/src` prefix to the `tailwind.config.js` file in the [content section](https://tailwindcss.com/docs/content-configuration).
+> - If you are using TypeScript paths for imports such as "@/*", you should update the `paths` object in `tsconfig.json` to include `src/`.