✨ 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/migrations/20260412181256_order_schema_change/migration.sql

@@ -0,0 +1,3 @@
+-- AlterTable
+ALTER TABLE "Order" ADD COLUMN     "customerEmail" TEXT,
+ALTER COLUMN "customerNote" DROP NOT NULL;