Integrate dope new logo (thank you @drewclem!!!) and tagline

Thank you so much to @drewclem

Description

• Use new mark for header and favicon.
• Use Inter font
• Replace hero on home page with new logo and tagline
• Update some handling of navigation
• Removed youtube links for now
• Add qualifiedUrl filter
• Add solid SEO/social card markup

Some highlights:

• New design
• 11ty
• Asset build tasks
• Clear path for adding pages
• Foundation for adding other planned features
• Easy to use commands for local development