Imports of package addservice

PathSynopsis
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
errorsPackage errors implements functions to manipulate errors.
github.com/go-kit/kit/logPackage log provides a structured logger.
github.com/go-kit/kit/metricsPackage metrics provides a framework for application instrumentation.