Merge pull request #657 from 0x5bfa/5bfa/CQ-Shimmer

Added key name for the default Shimmer style

Author: Arlodotexe

components/Shimmer/src/Shimmer/Shimmer.xaml

@@ -20,7 +20,11 @@
         </ResourceDictionary>
     </ResourceDictionary.ThemeDictionaries>
 
-    <Style TargetType="labs:Shimmer">
+    <Style BasedOn="{StaticResource DefaultShimmerStyle}"
+           TargetType="labs:Shimmer" />
+
+    <Style x:Key="DefaultShimmerStyle"
+           TargetType="labs:Shimmer">
         <Setter Property="Background" Value="{ThemeResource ShimmerBackground}" />
         <Setter Property="CornerRadius" Value="4" />
         <Setter Property="MinWidth" Value="40" />