UPDATE: System tray setting

internal/app-service/app.go

@@ -19,4 +19,19 @@ func (a *AppService) CloseAppAfterTimeout(timeout int) (bool, string) {
 		application.Get().Quit()
 	}()
 	return true, ""
-}
+}
+
+func (a *AppService) CloseApp() (bool, string) {
+	application.Get().Quit()
+	return true, ""
+}
+
+func (a *AppService) MinimizeApp() (bool, string) {
+	window := application.Get().Window.Current()
+	if window == nil {
+		return false, "not found window"
+	}
+	window.Hide()
+	return true, ""
+}
+