lens/extensions/metrics-cluster-feature/renderer.tsx

import { LensRendererExtension } from "@k8slens/extensions";
import { MetricsFeature } from "./src/metrics-feature";
import React from "react";

export default class ClusterMetricsFeatureExtension extends LensRendererExtension {
  clusterFeatures = [
    {
      title: "Metrics Stack",
      components: {
        Description: () => {
          return (
            <span>
                Enable timeseries data visualization (Prometheus stack) for your cluster.
                Install this only if you don't have existing Prometheus stack installed.
                You can see preview of manifests <a href="https://github.com/lensapp/lens/tree/master/extensions/lens-metrics/resources" target="_blank">here</a>.
            </span>
          );
        }
      },
      feature: new MetricsFeature()
    }
  ];
}