📚Improve documentation - rework getting-started notebook. #3158

Job	Run time
Create Example List	9s
Run Example: (fluorescence)	1m 25s
Run Example: (transient-absorption)	1m 18s
Run Example: (transient-absorption-two-datasets)	1m 27s
Run Example: (spectral-constraints)	1m 9s
Run Example: (spectral-guidance)	1m 36s
Run Example: (two-datasets)	1m 16s
Run Example: (sim-3d-disp)	1m 27s
Run Example: (sim-3d-nodisp)	1m 17s
Run Example: (sim-3d-weight)	1m 17s
Run Example: (sim-6d-disp)	1m 46s
Run Example: (doas-beta)	1m 22s
Collect artifacts and reupload as bundle	16s
Compare Results	35s
	16m 20s

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