Adds a small separate program to extract the images from a .mcfx file#249

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AnEnglishmanInNorway wants to merge 2 commits into

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AnEnglishmanInNorway:imageExtractor

Commits on Apr 25, 2026

vs2026 didn't see the 3.12 miniconda environment. I don' see why it made this change along the way, but it doesn't hurt
AnEnglishmanInNorway
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Add a really trivial "main program" which can be run to unpack a .mcfx file to a given directory
AnEnglishmanInNorway
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