USWDS-Tutorial - Bug: Problem writing Eleventy

[fritzwf]

Describe the bug

I found the issue. Look below:

• I agree to follow this project's Code of Conduct.
• I checked the current issues for duplicate bug reports.

[fritzwf]

I found the issue. On the page 02-extending in the index.html, the text in the top of the file, should be like this:

<!--
layout: default
title: USWDS Tutorial
permalink: /extend.html
hero:
heading_alt: "Extending"
heading: "USWDS"
body: "A tutorial project to learn about customizing and extending the U.S. Web Design System"
button_group:

• label: "Start the tutorial"
  href: "#tutorial-start"
• label: "View source on GitHub"
  href: "https://github.com/uswds/uswds-tutorial/tree/02-extending"

-->