Vijay Janapa Reddi f24f1683da feat(slides): deploy slides portal to dev, add PPTX builds, fix all overfull warnings ...

- Wire up slides-preview-dev.yml to deploy via SSH (matching labs/kits pattern)
- Add slides/ URL rewrite in book-preview-dev.yml for landing page links
- Add pdf2pptx.py conversion script (pdftoppm + python-pptx, 300 DPI)
- Update Makefile with pptx targets (per-chapter, per-volume, all)
- Update slides-build-pdfs.yml and slides-publish-live.yml to build PPTX
  and include PDF+PPTX ZIP archives in GitHub releases
- Fix all 44 overfull box warnings across 17 Vol1 Beamer decks
- Update slides portal pages with direct per-deck PDF/PPTX download links,
  PPTX column in tables, and remove placeholder callouts
- Update teaching.qmd with PPTX build instructions
- Cross-link slides from instructors hub, getting-started, and both syllabi

2026-03-18 13:58:22 -04:00

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pdf2pptx.py

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