Draft: TEST ONLY DO NOT MERGE grafana plugin for backstage - networkpolicy

General MR

Summary

Enable backstage to query grafana dashboards with links into an iframe in backstage

Relevant logs/screenshots

see hyperlink for dashboard pane at bottom of screenshot (demo/example pointing to tagged Policy Reporter resource dashboards:

Linked Issue

https://repo1.dso.mil/big-bang/apps/sandbox/backstage/-/issues/38

Upgrade Notices

N/A