修改ApprovalFlow.json文件属性，增加生成nuget包后文件输出

Admin.NET/Plugins/Admin.NET.Plugin.ApprovalFlow/Admin.NET.Plugin.ApprovalFlow.csproj

@@ -11,9 +11,12 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <None Update="Configuration\**">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </None>
+	  <Content Include="Configuration\**\*">
+		  <ExcludeFromSingleFile>true</ExcludeFromSingleFile>
+		  <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+		  <CopyToPublishDirectory>PreserveNewest</CopyToPublishDirectory>
+		  <PackageCopyToOutput>true</PackageCopyToOutput>
+	  </Content>
   </ItemGroup>
 
   <ItemGroup>