feat: :sparkles: revamp of the landing page plus navbar

[lwjohnst86]

Description

I included the navbar logo and at the same time improved the landing page and organization of items, moving more of the links to the navbar. Landing page could still use an improvement, but this is better.

Related Issues

Closes #2, closes #1, closes #22

Related to #20

Testing

• [x] Yes
• [ ] No, not needed (give a reason below)
• [ ] No, I need help writing them

Reviewer Focus

Review this afterwards, I'll merge it in so that there is a nicer landing page for the conference.

Checklist

For general documentation:

• [x] Did the page(s) preview correctly on your machine without breaking