Updated year in comments and About...

ui/EventView.qml

 /*
  *   EventView.qml
  *
- *   Copyright (c) 2021 Andy Ex
+ *   Copyright (c) 2021-2023 Andy Ex
  *
  *   This file is part of Radar-App.
  *

ui/main.qml

 /*
  *   main.qml
  *
- *   Copyright (c) 2021 Andy Ex
+ *   Copyright (c) 2021-2023 Andy Ex
  *
  *   This file is part of Radar-App.
  *
@@ -302,7 +302,7 @@ ApplicationWindow {
             anchors.fill: parent
             wrapMode: Text.WordWrap
             textFormat: Text.RichText
-            text: qsTr("<p>Copyright © 2021</p>" +
+            text: qsTr("<p>Copyright © 2023</p>" +
                        "<p>This program comes with ABSOLUTELY NO WARRANTY.</p>" +
                        "<p>This is free software, and you are welcome to redistribute it under certain conditions.</p>"+
                        "<p><a href=\"https://www.gnu.org/licenses/gpl-3.0.en.html\">Details on License…</a></p>" +