feat: add complete ui-operator addon with RBAC #191

Job	Run time
build / build-shell-ui / shell-ui	1m 7s
build / build-devcontainer / build-and-publish-devcontainer	16s
build / build	15m 21s
build / build-docs / build-devcontainer / build-and-publish-devcontainer	10s
build / build-docs / docs	2m 8s
build / write-final-status	9s
publish / publish-shell-ui	32s
	19m 43s

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