Add initial `spack.yaml` and `config` #34

Job	Run time
Closed	0s
Comment	0s
CI / Check Config Fields	7s
CI / Set Defaults	1s
CI / Check spack.yaml	5s
CI / Get Version and Tag Prerelease	6s
CI / Notifier	6s
CI / Deploy to Prerelease / Setup Deployment Environment	3s
CI / Deploy to Prerelease / Setup Spack Environment	1s
CI / Deploy to Prerelease / Deployment (Gadi Prerelease) / Deploy to Gadi Prerelease	1h 3m 47s
CI / Deploy to Prerelease / Deployment (Gadi Prerelease) / Create Release	0s
CI / Deploy to Prerelease / Deployment (Gadi Prerelease) / Build DB Metadata Upload	0s
	1h 4m 16s

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