Updated licensing docs inline with changes in Umbraco.Licenses

Author: mattbrailsford

15/umbraco-commerce/getting-started/the-licensing-model.md

@@ -62,11 +62,15 @@ Once you have received your license code it needs to be installed on your site.
 ```json
 "Umbraco": {
   "Licenses": {
-    "Umbraco.Commerce": "YOUR_LICENSE_KEY"
+    "Products": {
+      "Umbraco.Commerce": "YOUR_LICENSE_KEY"
+    }
   }
 }
 ```
 
+
+
 ### Verify the license installation
 
 You can verify that your license is successfully installed by logging into your project's backoffice and navigating to the settings section. Here you will see a license dashboard which should display the status of your license.