Is your feature request related to a problem? Please describe.
It's possible to configure the metrics plugin in the settings page but not grafana URL
Describe the solution you'd like
Add Grafana URL input under metrics sections.
Validation needed that URL starts with https:// or http://
The key that should be sent to the server is grafana_url
The tooltip should say: "The URL of t

many methods are missing, any eta on the implementation?

I was interested in addnode for example

thanks