site improvements

[dpsoft]

This pull request makes significant improvements to the Void-Box documentation site, focusing on enhancing the structure, navigation, and content clarity of the documentation pages. It also introduces a new scroll fade-in animation for elements on the site. The most important changes are grouped below:

Documentation Structure and Navigation Improvements:

• Major overhaul of the architecture and cli-tui documentation pages to include a sidebar navigation, clearer content sections, and detailed tables for commands and APIs, making the docs more user-friendly and comprehensive. [1] [2]
• Updated page titles across architecture, cli-tui, and events-observability docs for consistency and improved SEO/readability. [1] [2] [3]

Content Enhancements:

• Expanded the architecture documentation with detailed diagrams, step-by-step data flow explanations, pipeline execution models, and networking details, providing a much clearer overview of Void-Box's design and operation.
• Greatly expanded the cli-tui documentation to include detailed tables of CLI commands, daemon API endpoints, and TUI commands, as well as improved explanations of the interface and planned UX improvements.

User Interface Improvements:

• Added a scroll fade-in animation for elements with the .fade-in class using the IntersectionObserver API in site.js, enhancing the visual experience of the documentation site.

These changes collectively improve the accessibility, clarity, and usability of the Void-Box documentation for both new and existing users.