style: format import statement in nextjs-app-generator

Author: krzotki

packages/gene-tools/src/generators/nextjs-app-generator/index.ts

@@ -1,5 +1,4 @@
-import type {
-  Tree} from '@nx/devkit';
+import type { Tree } from '@nx/devkit';
 import {
   formatFiles,
   installPackagesTask,