feat: add Phase 6 — share & export (Vercel deploy + PDF export)

Reintegrate features from PRs #19, #11, #2 lost during restructure

Reintegrate inline editing feature from PR #23

Include link to example presentation deck

Update README with project assets link

Update README with new file structure and architecture explanation

Restructure skill for progressive disclosure — reduce context bloat ~70%

Fix: Add critical viewport fitting rules for slide modifications (#11)

feat: add inline editing feature documentation to SKILL.md (#23)

feat: drop an asset folder, slides get prettier with images (#19)

Add CSS function negation gotcha to prevent silent positioning bugs (#2)

Add comprehensive viewport fitting requirements

Initial release: Frontend Slides skill for Claude Code