Try to add xml doc

Author: codingseb

CodingSeb.ExpressionEvaluator/CodingSeb.ExpressionEvaluator.csproj

@@ -23,6 +23,7 @@
 * Correction of assignation of strongly typed variables (Not really as C# but better than before)</PackageReleaseNotes>
     <PackageLicenseFile>LICENSE.md</PackageLicenseFile>
     <RepositoryUrl>https://github.com/codingseb/ExpressionEvaluator</RepositoryUrl>
+	<GenerateDocumentationFile>true</GenerateDocumentationFile>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugType>full</DebugType>
@@ -33,6 +34,9 @@
   <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net45|AnyCPU'">
     <DefineConstants>DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net45|AnyCPU'">
+    <DocumentationFile />
+  </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageReference Include="System.Dynamic.Runtime" Version="4.3.0" />