Пакет errors вынесен на корневой уровень

assets.go

data/crypto.go

errors/code.go

errors/context.go

errors/detail.go

errors/domain.go

errors/errors.go

errors/errors_test.go

errors/field.go

errors/grpc/convert.go

errors/grpc/convert_test.go

errors/grpc/middleware.go

errors/grpc/middleware_test.go

errors/grpc/status.go

errors/help.go

errors/hint.go

errors/id.go

errors/multi.go

errors/source.go

errors/stack.go