anchor.diff:  
   val config = KorolevServiceConfig[Task, Boolean, Any](
     stateStorage = StateStorage.default(false),
  -  serverRouter = ServerRouter.empty[Task, Boolean],
  +  router = Router.empty[Task, Boolean],
     render = { case _ => 'div("Hello Monix Task") }
   )
   ------------------------------
  
positive.code: 
  [source,scala]
  -------------------------------------------------------------------------------
  serverRouter = ServerRouter(
    static = ...,
    dynamic = ...,
    rootPath = "/ui/"
  
negative.code: ------------------------------
  val config = KorolevServiceConfig[Future, Boolean, Any](
    stateStorage = StateStorage.default(false),
    router = Router.empty[Future, Boolean],
    render = { case _ => 'div("Hello akka-http") }
  )
  
  