Add new create wpf app article (#193)

dotnet-desktop-guide/net/wpf/get-started/snippets/create-app-visual-studio/csharp/LayoutStep4.xaml

@@ -0,0 +1,24 @@
+<Window x:Class="Names.LayoutStep4"
+        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:Names"
+        mc:Ignorable="d"
+        Title="Names" Height="180" Width="260">
+    <Grid Margin="10">
+
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="*" />
+            <ColumnDefinition Width="*" />
+        </Grid.ColumnDefinitions>
+
+        <Label>Names</Label>
+
+    </Grid>
+</Window>