Add Zarr IO tutorial #829

Job	Run time
conda-linux-gallery-python3.11-ros3	1m 57s
linux-python3.8-minimum	3m 30s
linux-python3.11-upgraded	3m 8s
linux-gallery-python3.8-minimum	2m 24s
windows-python3.8-minimum	4m 28s
conda-linux-python3.11-ros3	2m 5s
windows-python3.11-upgraded	4m 34s
linux-gallery-python3.11-upgraded	2m 34s
macos-python3.8-minimum	6m 30s
windows-gallery-python3.8-minimum	3m 5s
windows-gallery-python3.11-upgraded	3m 14s
conda-linux-python3.8-minimum	3m 56s
conda-linux-python3.11-upgraded	3m 23s
Deploy pre-release from dev	0s
	44m 48s

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