完成设备界面的简单布局，引入GridView的使用，并接GridView的模板抽离成Dictionary

Resources/DevicesItemTemplateDictionary.xaml

@@ -0,0 +1,16 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:ui="http://schemas.inkore.net/lib/ui/wpf/modern"
+                    xmlns:ikw="http://schemas.inkore.net/lib/ui/wpf"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+
+    <DataTemplate x:Key="DeviceItemTemplate">
+        <Border Background="#eee" CornerRadius="10" Padding="10" >
+            <ikw:SimpleStackPanel Spacing="10"   Width="300" Height="200">
+                <TextBlock FontSize="26" FontWeight="Bold" Text="{Binding Name }" />
+                <TextBlock Text="{Binding Description }" />
+                <TextBlock Text="{Binding Ip }" />
+            </ikw:SimpleStackPanel>
+        </Border>
+       
+    </DataTemplate>
+</ResourceDictionary>