Fix NU5039 The readme file 'README.md' does not exist in the package

MiniExcel.sln

@@ -12,6 +12,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Docs and setting", "Docs an
 		appveyor.yml = appveyor.yml
 		.github\workflows\dotnet.yml = .github\workflows\dotnet.yml
 		LICENSE = LICENSE
+		README-NuGet.md = README-NuGet.md
 		README.md = README.md
 		README.zh-CN.md = README.zh-CN.md
 		README.zh-Hant.md = README.zh-Hant.md

README-NuGet.md

@@ -1,7 +1,5 @@
 
-![](https://github.com/dotnet-foundation/swag/blob/main/logo/dotnetfoundation_v4_horizontal.png?raw=true)
-
-This project is part of the .NET Foundation and operates under their code of conduct.
+This project is part of the [.NET Foundation](https://dotnetfoundation.org/projects/project-detail/miniexcel) and operates under their code of conduct.
 
 ---
 

src/MiniExcel/MiniExcelLibs.csproj

@@ -51,7 +51,7 @@ Todo : https://github.com/mini-software/MiniExcel/projects/1?fullscreen=true</De
 	</ItemGroup>
 	<ItemGroup>
 		<None Include="icon.png" Pack="true" PackagePath="\" />
-		<None Include="..\..\README-NuGet.md" Link="README.md" Pack="true" PackagePath="" />
+		<None Include="..\..\README-NuGet.md" Link="README.md" Pack="true" PackagePath="README.md" />
 	</ItemGroup>
 	<ItemGroup Condition="'$(GITHUB_ACTIONS)' == 'true'">
 		<PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />