Updates the onboarding copy now we have multiple example projects (#1… #2129

Job	Run time
typecheck / typecheck	4m 43s
units / 🧪 Unit Tests	11m 33s
publish-webapp / publish	3m 0s
publish-worker / build (coordinator)	1m 27s
publish-worker / build (docker-provider)	55s
publish-worker / build (kubernetes-provider)	42s
	22m 20s

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