Replacing shelf-pack with potpack as the packing algorithm#92

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lednax wants to merge 4 commits intomainfrom packing

+43,690-23,856

Commits on Sep 20, 2021

Replacing shelf-pack with potpack as the packing algorith
lednax
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Going jest
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Jest, ESLINT and Prettier
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Commits on Sep 21, 2021

Added new snapshots
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