feat: trigger compute items cost once the sale invoice and bill be edited or deleted.

server/src/repositories/InventoryTransactionRepository.ts

@@ -0,0 +1,11 @@
+import TenantRepository from 'repositories/TenantRepository';
+import { InventoryTransaction } from 'models';
+
+export default class InventoryTransactionRepository extends TenantRepository {
+  /**
+   * Gets the repository's model.
+   */
+  get model() {
+    return InventoryTransaction.bindKnex(this.knex);
+  }
+}