Nuget package for ILCompiler.Reflection.ReadyToRun (#48182)

Nuget package for ILCompiler.Reflection.ReadyToRun
Co-authored-by: NMichal Strehovský <MichalStrehovsky@users.noreply.github.com>

src/coreclr/.nuget/ILCompiler.Reflection.ReadyToRun.Experimental/ILCompiler.Reflection.ReadyToRun.Experimental.pkgproj

+<Project DefaultTargets="Build">
+  <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.props))" />
+
+  <PropertyGroup>
+    <PackageDescription>This package provides a low-level ReadyToRun file format decoder. This package is experimental.</PackageDescription>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\tools\aot\ILCompiler.Reflection.ReadyToRun\ILCompiler.Reflection.ReadyToRun.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageFile Include="$(RuntimeBinDir)R2RDump\ILCompiler.Reflection.ReadyToRun.dll">
+       <TargetPath>\lib\netstandard2.0\</TargetPath>
+    </PackageFile>
+    <Dependency Include="System.Reflection.Metadata">
+       <Version>$(SystemReflectionMetadataVersion)</Version>
+       <TargetFramework>netstandard2.0</TargetFramework>
+       <Exclude>Build,Analyzers</Exclude>
+    </Dependency>
+  </ItemGroup>
+
+  <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.targets))" />
+</Project>

src/coreclr/.nuget/coreclr-packages.proj

@@ -13,6 +13,7 @@
     <ProjectReference Include="Microsoft.NETCore.TestHost\Microsoft.NETCore.TestHost.proj" />
     <ProjectReference Include="Microsoft.NETCore.ILAsm\Microsoft.NETCore.ILAsm.proj" />
     <ProjectReference Include="Microsoft.NETCore.ILDAsm\Microsoft.NETCore.ILDAsm.proj" />
+    <ProjectReference Include="ILCompiler.Reflection.ReadyToRun.Experimental\ILCompiler.Reflection.ReadyToRun.Experimental.pkgproj" />
   </ItemGroup>
 
   <Import Project="versioning.targets" />