Hello I am following installation at my local machine through this url -> https://github.com/SigNoz/charts/blob/main/charts/signoz/README.md after successfully installation when I open signoz UI there is no service present initially , do I need to load data initially of signoz's services like backend ,query service etc. Please help

SigNoz services won’t appear , but you can run this sample application https://signoz.io/docs/install/kubernetes/others/#optional-install-a-sample-application-and-generate-tracing-data