Implementation of ImageStack #1459

Job	Run time
Run pre-commit hooks	18s
Pytest on 3.8, Bokeh 2, ubuntu-latest	18m 32s
Pytest on 3.8, Bokeh 3, ubuntu-latest	20m 52s
Pytest on 3.11, Bokeh 2, ubuntu-latest	20m 18s
Pytest on 3.11, Bokeh 3, ubuntu-latest	20m 31s
Pytest on 3.8, Bokeh 2, macos-latest	33m 52s
Pytest on 3.8, Bokeh 3, macos-latest	32m 39s
Pytest on 3.11, Bokeh 2, macos-latest	35m 6s
Pytest on 3.11, Bokeh 3, macos-latest	39m 3s
Pytest on 3.8, Bokeh 2, windows-latest	28m 51s
Pytest on 3.8, Bokeh 3, windows-latest	33m 6s
Pytest on 3.11, Bokeh 2, windows-latest	38m 3s
Pytest on 3.11, Bokeh 3, windows-latest	38m 30s
UI tests on ubuntu-latest with Python 3.9	2m 17s
	6h 1m 58s

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