Add Windows desktop version

windows/StreamPlayer.Desktop/App.axaml

@@ -0,0 +1,23 @@
+<Application xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             x:Class="StreamPlayer.Desktop.App"
+             xmlns:local="using:StreamPlayer.Desktop"
+             xmlns:converters="using:StreamPlayer.Desktop.Converters"
+             RequestedThemeVariant="Default">
+             <!-- "Default" ThemeVariant follows system theme variant. "Dark" or "Light" are other available options. -->
+
+    <Application.DataTemplates>
+        <local:ViewLocator/>
+    </Application.DataTemplates>
+  
+    <Application.Resources>
+        <converters:InverseBooleanConverter x:Key="InverseBooleanConverter" />
+        <converters:BooleanToBrushConverter x:Key="LiveStatusBrushConverter"
+                                            TrueBrush="#27AE60"
+                                            FalseBrush="#444" />
+    </Application.Resources>
+
+    <Application.Styles>
+        <FluentTheme />
+    </Application.Styles>
+</Application>