HTTP endpoint to return key information

design/design.go

design/types.go

gen/http/cli/signer/cli.go

gen/http/openapi.json

gen/http/openapi.yaml

gen/http/openapi3.json

gen/http/openapi3.yaml

gen/http/signer/client/cli.go

gen/http/signer/client/client.go

gen/http/signer/client/encode_decode.go

gen/http/signer/client/paths.go

gen/http/signer/server/encode_decode.go

gen/http/signer/server/paths.go

gen/http/signer/server/server.go

gen/http/signer/server/types.go

gen/signer/client.go

gen/signer/endpoints.go

gen/signer/service.go

go.sum

internal/clients/vault/client.go