update release notes

Author: iamgabrielma

RELEASE-NOTES.txt

@@ -5,6 +5,7 @@
 -----
 - [*] Shipping Labels: Improve UI of Split shipments screen. [https://github.com/woocommerce/woocommerce-ios/pull/15838]
 - [*] POS: icon button with confirmation step used for clearing the cart [https://github.com/woocommerce/woocommerce-ios/pull/15829]
+- [*] POS: Orders from Point of Sale now show a badge in order list and order details [https://github.com/woocommerce/woocommerce-ios/pull/15887]
 - [*] Shipping Labels: Fixed a portion of layout issues caused by bigger accessibility content size categories. [https://github.com/woocommerce/woocommerce-ios/pull/15844]
 - [*] Shipping Labels: Enable the confirm button on the payment method sheet even when there are no changes. [https://github.com/woocommerce/woocommerce-ios/pull/15856]
 - [*] POS: start a new cart by scanning a barcode on the payment success screen [https://github.com/woocommerce/woocommerce-ios/pull/15870]