Manage starts serving the app over gPRC with automatic instance management.

NewInstanceManager creates a new app instance manager, This is a helper method for calling NewInstanceProvider and creating a new instancemgmt.InstanceProvider, and providing that to instancemgmt.New.

NewInstanceProvider create a new app instance provider, The instance provider is responsible for providing cache keys for application instances, creating new instances when needed and invalidating cached instances when they have been updated in Grafana.

ManageOpts can modify Manage behavior.

InstanceFactoryFunc factory method for creating app instances.