Website: add nav links to footer

Add nav links to the footer. This could be just Home and About, I don't think we need to include the various sections on the home page in the footer nav links.

<img width="2598" height="2001" alt="Image" src="https://github.com/user-attachments/assets/d04d8b08-ab35-40e7-b003-9b3eb9b21e9b" />