✨ 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.

src/app/modules/order/order.swagger.ts

@@ -10,18 +10,16 @@ export const orderSwaggerDocs = {
         content: {
           "application/json": {
             example: JSON.stringify({
-             
+              "shopAccountId": "",
               "productPrice": 1500,
               "productQuantity": 2,
               "productName": "Wireless Mouse",
               "customerName": "Rahim Uddin",
               "customerPhone": "+8801712345678",
+              "customerEmail": "softvence.abumahid@gmail.com",
               "customerAddress": "Rangpur, Bangladesh",
-              "customerNote": "Please deliver between 3-5 PM",
-              "paymentType": "Cash on Delivery",
-              "status": "Pending"
-
-            }), // put your request body
+              "customerNote": "Please deliver between 3-5 PM"
+            })
           },
         },
       },