Change log updated

CHANGELOG.md

@@ -13,6 +13,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
     
 ### Changed
+- (2022-07-25) - Windows created for viewing invoices and receipts 
+                 URLs
 - (2022-07-24) - Invoice format redesigned
 - (2022-07-23) - Checkout dialog with QR image redesigned.
                - Invoice dialog completed. Notifications to inform
@@ -26,7 +28,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
                - Function updateOwner() removed - not needed anymore.
                - Response Error 500 (Invalid Viewing Key) catched in 
                  function addOwner()
-               - Beta version of Invalid viewing key message (snackbar)
+               - Beta version of Invalid viewing key message 
+                 (snackbar)
                  implemented and working. 
                  ToDo -> CSS definition.
 - (2022-07-20) Buttons in Main form have been enclosed to display