add NWBHDF5IO.read_nwb() method #1441

Job	Run time
conda-linux-python3.12-ros3	1m 29s
linux-gallery-python3.8-minimum	1m 58s
conda-linux-gallery-python3.12-ros3	1m 21s
linux-gallery-python3.12-upgraded	3m 11s
windows-gallery-python3.8-minimum	2m 59s
linux-python3.8-minimum	6m 12s
conda-linux-python3.8-minimum	5m 42s
windows-gallery-python3.12-upgraded	5m 4s
linux-python3.12-upgraded	5m 59s
conda-linux-python3.12-upgraded	4m 48s
windows-python3.8-minimum	6m 23s
windows-python3.12-upgraded	5m 52s
macos-python3.8-minimum	8m 34s
Deploy pre-release from dev	0s
	59m 32s

Provide feedback