add docs for editing NWB files #838

Job	Run time
conda-linux-python3.11-ros3	3m 43s
linux-python3.8-minimum	3m 37s
linux-gallery-python3.8-minimum	2m 20s
conda-linux-python3.8-minimum	3m 44s
linux-python3.11-upgraded	3m 3s
linux-gallery-python3.11-upgraded	2m 23s
conda-linux-python3.11-upgraded	3m 22s
windows-python3.8-minimum	3m 53s
windows-gallery-python3.8-minimum	3m 33s
windows-python3.11-upgraded	3m 53s
windows-gallery-python3.11-upgraded	3m 52s
macos-python3.8-minimum	3m 50s
conda-linux-gallery-python3.11-ros3	1m 45s
Deploy pre-release from dev	1s
	42m 59s

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