Add examples on how to prohibit domain (#3188) #6

Job	Run time
pip-build	9s
pip-install-on-ubuntu-latest-py-3.11	17s
pip-install-on-macos-latest-py-3.11	18s
pip-install-on-ubuntu-latest-py-3.13	27s
pip-install-on-windows-latest-py-3.13	2m 44s
pip-install-on-windows-latest-py-3.11	44s
pip-install-on-macos-latest-py-3.13	16s
	4m 55s

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