Simple 3d slicer

• Implemented slicer function for viewing slices in a single arbitrary dimension with slider
• Implemented orthogonal function for viewing slices in all three dimensions with slider

qim3d/viz/img.py

 """ 
 Provides a collection of visualization functions.
 """
-<<<<<<< HEAD
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->>>>>>> origin/main
 from typing import List, Optional, Union
 import matplotlib.pyplot as plt
 from matplotlib.colors import LinearSegmentedColormap