refactor: refactoring imports

将来ESMに移行しやすいように
Related: #7658

なんかmochaが起動しなくなってるけど理由不明
すぐ直したい

src/remote/activitypub/renderer/document.ts

@@ -1,5 +1,5 @@
-import { DriveFile } from '../../../models/entities/drive-file';
-import { DriveFiles } from '../../../models';
+import { DriveFile } from '@/models/entities/drive-file.js';
+import { DriveFiles } from '@/models/index.js';
 
 export default (file: DriveFile) => ({
 	type: 'Document',