[Docs] Describe some gateway options on Concepts/Gateways page #5818

Job	Run time
compute-version	2s
build-docs / build-docs	1m 31s
build-artifacts / frontend-build	9s
build-artifacts / code-lint	57s
build-artifacts / gateway-build	10s
build-artifacts / runner-test (macos-latest)	1m 3s
build-artifacts / runner-test (ubuntu-latest)	56s
build-artifacts / runner-compile (ubuntu-24.04, linux, amd64)	36s
build-artifacts / runner-compile (ubuntu-24.04-arm, linux, arm64)	36s
build-artifacts / python-build	23s
build-artifacts / generate-json-schema	19s
build-artifacts / python-test (macos-latest, 3.10)	3m 42s
build-artifacts / python-test (windows-latest, 3.10)	1m 50s
build-artifacts / python-test (macos-latest, 3.11)	3m 8s
build-artifacts / python-test (ubuntu-latest, 3.12)	4m 7s
build-artifacts / python-test (macos-latest, 3.9)	3m 0s
build-artifacts / python-test (ubuntu-latest, 3.10)	4m 31s
build-artifacts / python-test (ubuntu-latest, 3.9)	4m 7s
build-artifacts / python-test (ubuntu-latest, 3.11)	4m 13s
build-artifacts / python-test (macos-latest, 3.12)	4m 47s
build-artifacts / python-test (windows-latest, 3.13)	2m 15s
build-artifacts / python-test (ubuntu-latest, 3.13)	4m 8s
build-artifacts / python-test (macos-latest, 3.13)	2m 51s
build-artifacts / python-test (windows-latest, 3.9)	2m 15s
build-artifacts / python-test (windows-latest, 3.12)	2m 20s
build-artifacts / python-test (windows-latest, 3.11)	2m 22s
upload-pre-pypi-artifacts / upload-pre-pypi-artifacts	16s
upload-post-pypi-artifacts / upload-post-pypi-artifacts	14s
	56m 48s

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