Implementation of slice_viz

Implementation of the function slice_viz under qim3d.utils.img.py. inputs: (input (path or array), position (optional - can be an int, str, list or ndarray) , cmap_im (optional) , axis (optional)).

Checks if the dimension of the given array is a volume.

Takes the positions given and returns one plot or subplots with the slices.

requested review from @fima

assigned to @s184364

added 1 commit

• 6a001b09 - added img size parameters

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