Diagnostics Metrics intergation

[sanych-sun]

There is cool toolset was added into net6 named "Diagnostics Metrics".
https://learn.microsoft.com/en-us/dotnet/api/system.diagnostics.metrics

It looks like we have to create a new integration library that will allow easily publish the reported metrics into Prometheus. Should we start a new repo for this?

[phnx47]

@sanych-sun Yep, a new repo based on prom-tmpl