GetKey endpoint returns signing key from Vault

design/design.go

gen/http/cli/signer/cli.go

gen/http/openapi.json

gen/http/openapi.yaml

gen/http/openapi3.json

gen/http/openapi3.yaml

gen/signer/service.go

internal/clients/vault/client.go

internal/clients/vault/client_test.go

internal/clients/vault/transport.go

internal/clients/vault/transport_test.go

internal/service/signer/service.go

internal/service/signer/service_test.go

internal/service/signer/signerfakes/fake_signer.go