Add Roadrunner Temporal metrics with dashboard

[roxblnfk]

It would be nice to add temporal metrics dashboard integrated with Roadrunner metrics plugin

Links: https://docs.temporal.io/references/sdk-metrics https://github.com/roadrunner-server/roadrunner/blob/8cb2c6f4c5a52a867ccfb1768a4dbcd28998f04c/.rr.yaml#L198 https://github.com/temporalio/roadrunner-temporal/blob/master/tests/configs/.rr-metrics.yaml