Start modernization

# Conflicts:
#	.gitignore
#	App.xaml
#	App.xaml.cs
#	AudioWatcher.cs
#	Delcom/DeviceManagement.cs
#	Delcom/StoplightIndicator.cs
#	LICENSE.md
#	LightController.cs
#	Properties/AssemblyInfo.cs
#	Properties/Resources.Designer.cs
#	Properties/Resources.resx
#	Properties/Settings.Designer.cs
#	Properties/Settings.settings
#	README.md
#	UpdateCheck.cs
#	WorkIndicator.csproj
#	WorkIndicator.sln
#	WorkIndicator.sln.DotSettings

SettingsWindow/UpdateSettingsPanel.xaml.cs

@@ -0,0 +1,38 @@
+using System.Windows;
+using System.Windows.Input;
+using WorkIndicator.Properties;
+
+namespace WorkIndicator.SettingsWindow;
+
+public partial class UpdateSettingsPanel
+{
+    public UpdateSettingsPanel()
+    {
+        InitializeComponent();
+    }
+
+    public override string CategoryName => Properties.Resources.optionCategoryUpdate;
+
+    private async void HandleCheckVersionNowButtonClick(object sender, RoutedEventArgs e)
+    {
+        var cursor = Cursor;
+
+        Cursor = Cursors.Wait;
+
+        await UpdateCheck.DisplayUpdateInformation(true);
+
+        Cursor = cursor;
+    }
+
+    private void OnSaveSettings(object sender, RoutedEventArgs e)
+    {
+        SaveSettings();
+    }
+
+    private void SaveSettings()
+    {
+        if (!HasLoaded) return;
+
+        Settings.Default.Save();
+    }
+}