Generalize image rotation code from tesseract

We need to port over the code from tesseract worker here, so that a developer can use it to update the polygon created by its tool according to the parent element rotation.

Refs https://gitlab.com/arkindex/requests/-/issues/624

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The code should support only one zone, but for rotation & mirroring.

assigned to @schneider-y

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mentioned in merge request !160 (merged)

closed