Create and deploy a default dashboard automatically in Grafana instance running for CNSA.

[olemyk]

The Example Dashboard bundle was developed for a classic Spectrum Scale cluster, so most of them not really make sense for the cloud-native environment.

So it would be great if we could create cloud-native examples.
Atm, we need to import JSONs manually, would it be possible to offer the 'default dashboard' deployment with the Grafana instance deployment together.