Add a skip-to-content link — practice exercise

This page has a navigation menu before its main content. A keyboard user has to tab through every nav link on every single page just to reach the content. Add a real "Skip to main content" link as the very first focusable element on the page.

Acceptance criteria

1. 1.Add an <a> as the very first element on the page.
2. 2.Its text should read "Skip to main content".
3. 3.It should link to "#main-content".
4. 4.The <main> element should have id="main-content".