Add a scanning results reader #629

Job	Run time
Build CI Docker / Build images	11m 55s
Check if cached state disks exist for Mainnet / Check if cached state disks exist	32s
Check if cached state disks exist for testnet / Check if cached state disks exist	31s
lightwalletd tip update / Run lwd-update-sync test	17m 28s
lightwalletd tip send / Run lwd-send-transactions test	16m 5s
lightwalletd GRPC tests / Run lwd-grpc-wallet test	16m 43s
lightwalletd tip send / Create ${{ inputs.test_id }} cached state image	0s
lightwalletd tip send / Delete lwd-send-transactions instance	45s
lightwalletd GRPC tests / Create ${{ inputs.test_id }} cached state image	0s
lightwalletd GRPC tests / Delete lwd-grpc-wallet instance	41s
lightwalletd tip update / Create lwd-update-sync cached state image	4m 54s
lightwalletd tip update / Delete lwd-update-sync instance	40s
Open or update issues for main branch failures	0s
	1h 10m 14s

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