feat: implement supplier management module with create, update, find, and delete functionalities

- Added CreateSupplierDto for supplier creation
- Added UpdateSupplierDto for supplier updates
- Implemented SuppliersController to handle HTTP requests for suppliers
- Created SuppliersService to manage supplier data using Prisma
- Integrated SuppliersModule to encapsulate suppliers-related components

src/suppliers/suppliers.service.ts

@@ -0,0 +1,27 @@
+import { Injectable } from '@nestjs/common'
+import { PrismaService } from '../prisma/prisma.service'
+
+@Injectable()
+export class SuppliersService {
+  constructor(private prisma: PrismaService) {}
+
+  create(data: any) {
+    return this.prisma.supplier.create({ data })
+  }
+
+  findAll() {
+    return this.prisma.supplier.findMany()
+  }
+
+  findOne(id: number) {
+    return this.prisma.supplier.findUnique({ where: { id } })
+  }
+
+  update(id: number, data: any) {
+    return this.prisma.supplier.update({ where: { id }, data })
+  }
+
+  remove(id: number) {
+    return this.prisma.supplier.delete({ where: { id } })
+  }
+}