Add initial manifest and configuration versions (#1) #2

Job	Run time
CD / Set Defaults	6s
CD / Verify Deployment Settings (Gadi)	8s
CD / Get root spec ref	5s
CD / Tag Deployment	5s
CD / Deploy Release (Gadi) / Gadi: Check Spack Manifest	8s
CD / Deploy Release (Gadi) / Gadi: Check Config	18s
CD / Deploy Release (Gadi) / Gadi / Deploy to Gadi Release	1h 0m 41s
CD / Deploy Release (Gadi) / Gadi:Outputs Upload	4s
CD / Create Release	11s
CD / Build DB Metadata Upload	12s
	1h 1m 58s

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