feat: wip attach attachments to resource models

packages/server/src/api/controllers/Sales/PaymentReceives.ts

@@ -164,6 +164,9 @@ export default class PaymentReceivesController extends BaseController {
       check('entries.*.index').optional().isNumeric().toInt(),
       check('entries.*.invoice_id').exists().isNumeric().toInt(),
       check('entries.*.payment_amount').exists().isNumeric().toFloat(),
+
+      check('attachments').isArray().optional(),
+      check('attachments.*.key').exists().isString(),
     ];
   }