✨ feat(order): add customer email and optional fields, update order creation flow

- Added `customerEmail` field to Order model.
- Made `customerNote` optional in the Order model.
- Updated order creation logic to send a tracking email.
- Updated order validation to handle optional fields.
- Refactored configurations import path from `errors/configs` to `configs`.
- Minor modifications across account and order services for consistency.

prisma/schema/order.prisma

@@ -20,8 +20,9 @@ model Order {
     status          STATUS
     customerName    String
     customerPhone   String
+    customerEmail   String?
     customerAddress String
-    customerNote    String
+    customerNote    String?
     paymentType     PAYMENT_TYPE
 
     createdAt DateTime @default(now())