Update Nuget package resources

Author: rudyhuyn

nuget/ReswPlus.SourceGenerator.NugetPackage.props

@@ -1,19 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
-    <FileVersion>0.3.1.2</FileVersion>
+    <FileVersion>0.3.1.3</FileVersion>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Title>ReswPlus - Source Generator</Title>
     <PackageId>ReswPlus</PackageId>
     <Version>$(FileVersion)</Version>
     <Authors>Rudy Huyn</Authors>
     <Description>ReswPlus - Source Generator for Resw files</Description>
     <PackageProjectUrl>https://github.com/reswplus/ReswPlus/</PackageProjectUrl>
-    <PackageIcon>$(MSBuildThisFileDirectory)Icon.png</PackageIcon>
+    <PackageIcon>Icon.png</PackageIcon>
     <PackageCopyright>Copyright 2025</PackageCopyright>
     <PackageTags>dotnet localization resx resw plural pluralization</PackageTags>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
-    <PackageReadmeFile>$(MSBuildThisFileDirectory)README.md</PackageReadmeFile>
+    <PackageReadmeFile>README.md</PackageReadmeFile>
     <NoWarn>NU5128</NoWarn>
   </PropertyGroup>
   <ItemGroup>

src/ReswPlus.SourceGenerator/ReswPlus.SourceGenerator.csproj

@@ -52,8 +52,13 @@
       <EmbeddedResource Include="Templates\Plurals\ZeroToOneProvider.txt" />
       <EmbeddedResource Include="Templates\Plurals\ZeroToTwoExcludedProvider.txt" />
     </ItemGroup>
+    <ItemGroup>
+      <None Include="..\..\nuget\Icon.png" Pack="true" PackagePath=""/>
+      <None Include="..\..\nuget\README.md" Pack="true" PackagePath=""/>
+    </ItemGroup>
     <ItemGroup>
       <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.12.0" PrivateAssets="all" />
     </ItemGroup>
     <Import Project="..\ReswPlus.Shared\ReswPlus.Shared.projitems" Label="Shared" />
 </Project>
+