Merge pull request #7373 from livetocode/feature/k8s-add-factory

Add a factory class for customizing the services used by the kubernetes backend plugin

docs/features/kubernetes/installation.md

@@ -59,14 +59,18 @@ add the following:
 
 ```typescript
 // In packages/backend/src/plugins/kubernetes.ts
-import { createRouter } from '@backstage/plugin-kubernetes-backend';
+import { KubernetesBuilder } from '@backstage/plugin-kubernetes-backend';
 import { PluginEnvironment } from '../types';
 
 export default async function createPlugin({
   logger,
   config,
 }: PluginEnvironment) {
-  return await createRouter({ logger, config });
+  const { router } = await KubernetesBuilder.createBuilder({
+    logger,
+    config,
+  }).build();
+  return router;
 }
 ```