anchor.diff:        'div(text)
       )
     },
  -  serverRouter = ServerRouter(
  +  router = Router(
       // Static router works when user enters
       // with any url but "/".
       static = (deviceId) => Router(
  
positive.code: ------------------------------
  val config = KorolevServiceConfig[Future, Boolean, Any](
    stateStorage = StateStorage.default(false),
    serverRouter = ServerRouter.empty[Future, Boolean],
    render = { case _ => 'div("Hello akka-http") }
  )
  
  
negative.code: 
  [source,scala]
  -------------------------------------------------------------------------------
  router = Router(
    static = ...,
    dynamic = ...,
    rootPath = "/ui/"
  