RDCIST-3853: Add support to private gateway #47

Job	Run time
checks / readme-snippets	10s
checks / test (3.13, lowest-direct, ubuntu-latest)	44s
checks / pre-commit	34s
checks / test (3.12, lowest-direct, windows-latest)	3m 55s
checks / test (3.13, lowest-direct, windows-latest)	2m 18s
checks / test (3.12, highest, ubuntu-latest)	49s
checks / test (3.12, lowest-direct, ubuntu-latest)	43s
checks / test (3.13, highest, ubuntu-latest)	37s
checks / test (3.13, highest, windows-latest)	2m 9s
checks / test (3.12, highest, windows-latest)	2m 59s
	14m 58s

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