feat: server lint import & order (#750)

server/src/core/attachment/services/attachment.service.spec.ts

@@ -1,6 +1,8 @@
 import { Test, TestingModule } from '@nestjs/testing';
+
 import { PrismaService } from 'src/database/prisma.service';
 import { prismaMock } from 'src/database/client-mock/jest-prisma-singleton';
+
 import { AttachmentService } from './attachment.service';
 
 describe('AttachmentService', () => {

server/src/core/attachment/services/attachment.service.ts

@@ -1,5 +1,7 @@
 import { Injectable } from '@nestjs/common';
+
 import { AttachmentType } from '@prisma/client';
+
 import { PrismaService } from 'src/database/prisma.service';
 
 @Injectable()