- resize all images to max 1920px width (152MB → 66MB)
- add assets-original/ to gitignore for backups
- add make optimize-images target
- add make deploy-html for faster HTML-only deployment
- remove references to deleted _frontmatter.md, _intro.md, _outro.md
- add termin 0 to build targets
- remove broken assemble target (files are now self-contained)
- update build/pdf/html targets to work directly from slides/
- add copy-assets target to copy assets and materials to build/
- fix deploy path to /hdm/223015b/
libretech