- add alan turing slides (biography, enigma, turing machine)
- add ibm holocaust book cover to ns-deutschland slide
- rename nazi-deutschland to ns-deutschland
- fix makefile: optimize-images now reads from assets-original
- add new images: alan-turing.jpg, IBM book cover
- add deploy-html, optimize-images, copy-assets targets
- add scripts/generate-index.sh for slide overview
- integrate index generation into html/build targets
- deploy to 223015c path
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>