Add Admin module and entity

backend/src/modules/initialization/app.init.service.ts

@@ -1,11 +1,15 @@
 import { Injectable, OnModuleInit } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
+import { Admin } from 'libs/database/admin.entity';
 import { User } from 'libs/database/user.entity';
 import { Repository } from 'typeorm';
 
 @Injectable()
 export class AppInitService implements OnModuleInit {
-    constructor(@InjectRepository(User) private userRepository: Repository<User>) {}
+    constructor(
+        @InjectRepository(User) private userRepository: Repository<User>,
+        @InjectRepository(Admin) private adminRepository: Repository<Admin>,
+    ) {}
 
     async onModuleInit() {}
 }