add docs for editing NWB files (#1836) #857

Job	Run time
conda-linux-gallery-python3.11-ros3	1m 48s
linux-gallery-python3.8-minimum	2m 23s
conda-linux-python3.11-ros3	2m 11s
linux-gallery-python3.11-upgraded	2m 18s
windows-gallery-python3.8-minimum	3m 42s
windows-gallery-python3.11-upgraded	4m 1s
linux-python3.8-minimum	3m 26s
conda-linux-python3.8-minimum	3m 52s
conda-linux-python3.11-upgraded	3m 21s
linux-python3.11-upgraded	3m 6s
windows-python3.8-minimum	4m 19s
windows-python3.11-upgraded	4m 41s
macos-python3.8-minimum	5m 10s
Deploy pre-release from dev	1m 12s
	45m 30s

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