fix(server): add formatted values to responses transformers

packages/server/src/services/Purchases/BillPayments/BillPaymentEntryTransformer.ts

@@ -0,0 +1,20 @@
+import { Transformer } from '@/lib/Transformer/Transformer';
+import { formatNumber } from '@/utils';
+
+export class BillPaymentEntryTransformer extends Transformer {
+  /**
+   * Include these attributes to bill payment object.
+   * @returns {Array}
+   */
+  public includeAttributes = (): string[] => {
+    return ['paymentAmountFormatted'];
+  };
+
+  /**
+   * Retreives the payment amount formatted.
+   * @returns {string}
+   */
+  protected paymentAmountFormatted(entry) {
+    return formatNumber(entry.paymentAmount, { money: false });
+  }
+}