Add examples to harbor project docs (#1066) #3061

Job	Run time
Generated files are up to date	1m 33s
kubernetes_resources: ./config/crd	1m 3s
Build docker image	2m 35s
dockerfile: lint	22s
Dependencies are up to date	1m 31s
golang: lint	4m 26s
Go tests	10m 43s
kubernetes_resources: ./config/samples/harborcluster-minimal	37s
kubernetes_resources: ./config/samples/harborcluster-standard	7s
kubernetes_resources: ./config/samples/harborcluster-fullstack	10s
documentation: lint	21s
kubernetes_resources: ./config/rbac	1m 29s
	24m 57s

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