Added new WPF client and accomodated folder structure

WD7UVN_SzTGUI_2023242.Client.WPF/MainWindow.xaml

@@ -0,0 +1,12 @@
+<Window x:Class="WD7UVN_SzTGUI_2023242.Client.WPF.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:WD7UVN_SzTGUI_2023242.Client.WPF"
+        mc:Ignorable="d"
+        Title="MainWindow" Height="450" Width="800">
+    <Grid>
+
+    </Grid>
+</Window>