tests

Add example showing plotting brain regions in a single hemisphere (#383) #379

Job	Run time
Check Manifest	12s
linting	10s
ubuntu-latest py3.10	6m 10s
ubuntu-latest py3.11	5m 8s
ubuntu-latest py3.12	6m 32s
macos-13 py3.12	10m 26s
macos-latest py3.12	7m 8s
windows-latest py3.12	7m 31s
Build source distribution	0s
Publish build distributions	0s
	43m 17s

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