Kubernetes plugins boilerplate (#2559)

* Kubernetes plugins boilerplate

* pr feedback; check for k8s annotation

packages/app/package.json

@@ -16,6 +16,7 @@
     "@backstage/plugin-gitops-profiles": "^0.1.1-alpha.22",
     "@backstage/plugin-graphiql": "^0.1.1-alpha.22",
     "@backstage/plugin-jenkins": "^0.1.1-alpha.22",
+    "@backstage/plugin-kubernetes": "^0.1.1-alpha.22",
     "@backstage/plugin-lighthouse": "^0.1.1-alpha.22",
     "@backstage/plugin-newrelic": "^0.1.1-alpha.22",
     "@backstage/plugin-register-component": "^0.1.1-alpha.22",

packages/app/src/components/catalog/EntityPage.tsx

@@ -29,6 +29,7 @@ import {
 import { Router as ApiDocsRouter } from '@backstage/plugin-api-docs';
 import { Router as SentryRouter } from '@backstage/plugin-sentry';
 import { EmbeddedDocsRouter as DocsRouter } from '@backstage/plugin-techdocs';
+import { Router as KubernetesRouter } from '@backstage/plugin-kubernetes';
 import React from 'react';
 import {
   AboutCard,
@@ -99,6 +100,11 @@ const ServiceEntityPage = ({ entity }: { entity: Entity }) => (
       title="Docs"
       element={<DocsRouter entity={entity} />}
     />
+    <EntityPageLayout.Content
+      path="/kubernetes/*"
+      title="Kubernetes"
+      element={<KubernetesRouter entity={entity} />}
+    />
   </EntityPageLayout>
 );
 
@@ -124,6 +130,11 @@ const WebsiteEntityPage = ({ entity }: { entity: Entity }) => (
       title="Docs"
       element={<DocsRouter entity={entity} />}
     />
+    <EntityPageLayout.Content
+      path="/kubernetes/*"
+      title="Kubernetes"
+      element={<KubernetesRouter entity={entity} />}
+    />
   </EntityPageLayout>
 );
 const DefaultEntityPage = ({ entity }: { entity: Entity }) => (

packages/app/src/plugins.ts

@@ -33,3 +33,4 @@ export { plugin as Jenkins } from '@backstage/plugin-jenkins';
 export { plugin as ApiDocs } from '@backstage/plugin-api-docs';
 export { plugin as GithubPullRequests } from '@roadiehq/backstage-plugin-github-pull-requests';
 export { plugin as GcpProjects } from '@backstage/plugin-gcp-projects';
+export { plugin as Kubernetes } from '@backstage/plugin-kubernetes';