feat: add student wallet utility billing

apps/server/src/bills/bills.module.ts

@@ -1,5 +1,6 @@
 import { Module } from '@nestjs/common';
 import { NotificationsModule } from '../notifications/notifications.module';
+import { WalletsModule } from '../wallets/wallets.module';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { Bill } from '../entities/bill.entity';
 import { BillItem } from '../entities/bill-item.entity';
@@ -7,7 +8,6 @@ import { RoomExpense } from '../entities/room-expense.entity';
 import { PersonalExpense } from '../entities/personal-expense.entity';
 import { Occupancy } from '../entities/occupancy.entity';
 import { Room } from '../entities/room.entity';
-import { Deposit } from '../entities/deposit.entity';
 import { Student } from '../entities/student.entity';
 import { BillsService } from './bills.service';
 import { BillsExportService } from './bills-export.service';
@@ -22,10 +22,10 @@ import { BillsController } from './bills.controller';
       PersonalExpense,
       Occupancy,
       Room,
-      Deposit,
       Student,
     ]),
     NotificationsModule,
+    WalletsModule,
   ],
   controllers: [BillsController],
   providers: [BillsService, BillsExportService],