Secure credentials, eyrie catalog setup, and first-run /config flow #236

Job	Run time
vet	21s
secrets	13s
markdown	9s
format	20s
module hygiene	24s
dependency review	6s
test (race + coverage)	0s
security	0s
lint	0s
build (${{ matrix.goos }}/${{ matrix.goarch }})	0s
	1m 33s

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