libretech 49ec7b5d98 add lovelace, hopper, hollerith portraits and bletchley park ...

- add ada lovelace slides with daguerreotype portrait
- add grace hopper slides with portrait
- add hollerith portrait (full + sidebar)
- add bletchley park mansion slide before turing
- use contain for sidebar portraits
- update image filenames to match actual files

2025-12-19 23:07:03 +01:00

1.1 MiB

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