feat: add department_id to all business entities

apps/server/src/entities/deposit-installment.entity.ts

@@ -7,6 +7,7 @@ import {
   JoinColumn,
 } from 'typeorm';
 import { Deposit } from './deposit.entity';
+import { Department } from './department.entity';
 
 @Entity('deposit_installments')
 export class DepositInstallment {
@@ -34,4 +35,11 @@ export class DepositInstallment {
   @ManyToOne(() => Deposit, (d) => d.installments, { onDelete: 'CASCADE' })
   @JoinColumn({ name: 'deposit_id' })
   deposit: Deposit;
+
+  @Column({ name: 'department_id', type: 'integer', nullable: true })
+  departmentId: number;
+
+  @ManyToOne(() => Department, { nullable: true })
+  @JoinColumn({ name: 'department_id' })
+  department: Department;
 }