chore: add Application property to Serilog for log filtering

- Worker logs tagged as 'hrynco-notification-service-worker'
- Web logs tagged as 'hrynco-notification-service-web'

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

HrynCo.NotificationService.Web/appsettings.json

@@ -20,7 +20,10 @@
         }
       }
     ],
-    "Enrich": [ "FromLogContext" ]
+    "Enrich": [ "FromLogContext" ],
+    "Properties": {
+      "Application": "hrynco-notification-service-web"
+    }
   },
   "AllowedHosts": "*"
 }

HrynCo.NotificationService.Worker/appsettings.json

@@ -27,6 +27,9 @@
         }
       }
     ],
-    "Enrich": [ "FromLogContext" ]
+    "Enrich": [ "FromLogContext" ],
+    "Properties": {
+      "Application": "hrynco-notification-service-worker"
+    }
   }
 }