Explicitly set dark mode images to avoid varnish image color inversion#350

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marcodallavecchia wants to merge 11 commits intodatacarpentry:mainfrom

marcodallavecchia:dark-mode-images

Commits on Dec 9, 2025

dark mode images for episodes 1 and 2
Marco Dalla Vecchia
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dark mode images episode 3
Marco Dalla Vecchia
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dark mode images episode 4
Marco Dalla Vecchia
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dark mode image episode 5
Marco Dalla Vecchia
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dark mode images episode 6
Marco Dalla Vecchia
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kept automatic dark mode image for SVG vector image since it doesn't have background, it's less legible with dark text in dark mode
Marco Dalla Vecchia
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dark mode images episode 7
Marco Dalla Vecchia
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reverted histogram images as one of them is without background. Keeping them inverted with dark mode does not impact the episode
Marco Dalla Vecchia
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dark mode images episode 8. Added full white background for shapes-01-objects-coloured-by-area.png
Marco Dalla Vecchia
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dark mode images episode 9
Marco Dalla Vecchia
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dark mode images extra episode edge detection
Marco Dalla Vecchia
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