backend,create-app: install ScaffolderEntitiesProcessor

Co-authored-by: Johan Haals <johan.haals@gmail.com>
Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

packages/create-app/templates/default-app/packages/backend/src/plugins/catalog.ts

@@ -1,4 +1,5 @@
 import { CatalogBuilder } from '@backstage/plugin-catalog-backend';
+import { ScaffolderEntitiesProcessor } from '@backstage/plugin-scaffolder-backend';
 import { Router } from 'express';
 import { PluginEnvironment } from '../types';
 
@@ -6,6 +7,7 @@ export default async function createPlugin(
   env: PluginEnvironment,
 ): Promise<Router> {
   const builder = await CatalogBuilder.create(env);
+  builder.addProcessor(new ScaffolderEntitiesProcessor());
   const { processingEngine, router } = await builder.build();
   await processingEngine.start();
   return router;