Add DevExpres.Data.Desktop assembly

Author: AndreyMarten

CS/AppearanceCustomization/AppearanceCustomization.csproj

@@ -35,6 +35,7 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="DevExpress.Data.Desktop.v21.1, Version=21.1.1.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a, processorArchitecture=MSIL" />
     <Reference Include="System" />
     <Reference Include="System.Data" />
     <Reference Include="System.Xml" />
@@ -53,7 +54,7 @@
     <Reference Include="DevExpress.Mvvm.v21.1" />
     <Reference Include="DevExpress.Xpf.Core.v21.1" />
     <Reference Include="DevExpress.Xpf.Accordion.v21.1" />
-    <Reference Include="DevExpress.Xpf.Themes.Office2019Colorful.v21.1"/>
+    <Reference Include="DevExpress.Xpf.Themes.Office2019Colorful.v21.1" />
   </ItemGroup>
   <ItemGroup>
     <ApplicationDefinition Include="App.xaml">