init pr add-notifyicon

HandyControlDemo/UserControl/Controls/NotifyIconDemoCtl.xaml

@@ -0,0 +1,8 @@
+<UserControl x:Class="HandyControlDemo.UserControl.NotifyIconDemoCtl"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             Background="{DynamicResource RegionBrush}">
+    <Grid>
+            
+    </Grid>
+</UserControl>