feat: added support for new backend system in scaffolder actions module

Signed-off-by: blam <ben@blam.sh>

packages/cli/templates/scaffolder-module/src/actions/example/index.ts

@@ -1 +1,7 @@
+import { scaffolderModule } from './module';
+
+/*
+  @deprecated - this way of importing modules will soon be unsupported, and you should use `backend.add(import(...))` instead.
+*/
 export { createAcmeExampleAction } from './example';
+export default scaffolderModule;

packages/cli/templates/scaffolder-module/src/actions/example/module.ts

@@ -0,0 +1,21 @@
+import { createBackendModule } from "@backstage/backend-plugin-api";
+import { scaffolderActionsExtensionPoint  } from '@backstage/plugin-scaffolder-node/alpha';
+import { createAcmeExampleAction } from "./example";
+
+/**
+ * A backend module that registers the action into the scaffolder
+ */
+export const scaffolderModule = createBackendModule({
+  moduleId: 'acme:example',
+  pluginId: 'scaffolder',
+  register({ registerInit }) {
+    registerInit({
+      deps: {
+        scaffolderActions: scaffolderActionsExtensionPoint
+      },
+      async init({ scaffolderActions}) {
+        scaffolderActions.addActions(createAcmeExampleAction());
+      }
+    });
+  },
+})