feat(auth): implement role-based access control and user management features

backend/src/users/users.module.ts

@@ -1,11 +1,12 @@
 import { Module } from '@nestjs/common';
 import { UsersService } from './users.service';
 import { UsersController } from './users.controller';
+import { AdminBootstrapService } from './admin-bootstrap.service';
 import { PrismaModule } from '../prisma/prisma.module';
 
 @Module({
   imports: [PrismaModule],
-  providers: [UsersService],
+  providers: [UsersService, AdminBootstrapService],
   controllers: [UsersController],
   exports: [UsersService],
 })