[EPIC] QA for MVP launch

[digitaldiina]

Epic overview

Description: List of things to check and issues found

MUST fix (launch killers)

1. [BUG] All relative links break #314
2. [BUG] Screenshots don't render #308
3. [BUG] Missing subcategory pages #312
4. [BUG] Phosphor icons don't render #310

SHOULD fix (embarrassing but acceptable)

1. [BUG] xref style links are not resolved #315 (affects 148 occurrences in 80 files)
2. [BUG] No toc for pages in dev or it subfolders #313 (affects 10-15 pages, smaller audience)
3. [BUG] Broken links on home page #306 (affects 1 page but potentially many visitors)
4. [BUG] Tabbed sections - sequential display and wrong URL #319 (affects routes besides styling)

Look and feel (non-critical)

1. [BUG] Tables lack adequate styling #311
2. [BUG] Resizing navbar does not align with breakpoints #316

For later

1. [BUG] Inline code incorrectly styled #317
2. [BUG] bold text in admonitions is black #318

Checklist (wip)

• Sitemap built and matches docfx
• Site renders
• Primary navigation
• ToC
• Search
• Base layout components
• Ensure output from astro_redirect_from is published #232
• Accessibility (low)
• Responsiveness (low)