add custom role instructions to deploy quickstart [CE-363] #109

Job	Run time
pre-build / code-checks-n-tests	2m 59s
build-develop-merge	0s
build-main-merge	0s
build-main-open	0s
trivy-scans / build-image	1m 5s
build-develop-open / build-push-image	44s
	4m 48s

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