Add "Both of us are knights" statement to the interactive. Update styling for statements and their negations using different border styles and colors to represent A, B, and the statement.
Adds the "Knights and Knaves - I" interactive to the Foundations section. The interactive features a central arena and five external boxes for statements. Dragging statements into the arena turns them green, and incompatible statements turn the arena red.
- Add navigation with Themes, Puzzles, and Miscellany.
- Create "coming soon" pages for Puzzles and Miscellany.
- Create a Themes page with cards for various topics.
- Implement basic boxy layout.
- Prepare for future interactive additions and filtering.
- Set up for Netlify deployment.
