chore: update naming to next instead

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

packages/create-app/templates/default-app/packages/app-next/src/App.tsx

@@ -1,9 +1,11 @@
 import { createApp } from '@backstage/frontend-defaults';
 import catalogPlugin from '@backstage/plugin-catalog/alpha';
+import { appModule } from './modules/app';
 
 export default createApp({
   features: [
     catalogPlugin,
+    appModule,
   ],
 });
 

packages/create-app/templates/default-app/packages/app-next/src/modules/app.tsx

@@ -1,5 +1,5 @@
-import { coreExtensionData, createFrontendModule } from "@backstage/frontend-plugin-api";
-import appPlugin from "@backstage/plugin-app";
+import { coreExtensionData, createFrontendModule } from '@backstage/frontend-plugin-api';
+import appPlugin from '@backstage/plugin-app';
 
 export const appModule = createFrontendModule({
   pluginId: 'app',