Adding transport package for extensions

src/libraries/pkg/Microsoft.Extensions.Internal.Transport/Microsoft.Extensions.Internal.Transport.builds

@@ -0,0 +1,9 @@
+<Project DefaultTargets="Build">
+  <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.props))" />
+
+  <ItemGroup Condition="'$(BuildingAnOfficialBuildLeg)' != 'true' Or '$(BuildAllConfigurations)' == 'true'">
+    <Project Include="Microsoft.Extensions.Internal.Transport.pkgproj" />
+  </ItemGroup>
+
+  <Import Project="$([MSBuild]::GetPathOfFileAbove(dir.traversal.targets))" />
+</Project>

src/libraries/pkg/Microsoft.Extensions.Internal.Transport/Microsoft.Extensions.Internal.Transport.pkgproj

@@ -0,0 +1,13 @@
+<Project DefaultTargets="Build">
+  <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.props))" />
+  <PropertyGroup>
+    <SkipPackageFileCheck>true</SkipPackageFileCheck>
+    <SkipValidatePackage>true</SkipValidatePackage>
+    <HarvestStablePackage>false</HarvestStablePackage>
+  </PropertyGroup>
+  <ItemGroup>
+    <File Include="$(ASPNETCoreAppPackageRefPath)\*.*" TargetPath="lib\$(NetCoreAppCurrent)" />
+    <File Include="$(ASPNETCoreAppPackageRuntimePath)\*.*" TargetPath="ref\$(NetCoreAppCurrent)" />
+  </ItemGroup>
+  <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.targets))" />
+</Project>

src/libraries/pkg/descriptions.json

@@ -199,6 +199,11 @@
     "Description": "Provides additional DataAnnotations specific functionality related to Options.",
     "CommonTypes": []
   },
+  {
+    "Name": "Microsoft.Extensions.Internal.Transport",
+    "Description": "Internal transport package to provide aspnetcore with the assemblies that make up the Microsoft.ASPNetCore.App shared framework.",
+    "CommonTypes": []
+  },
   {
     "Name": "Microsoft.Extensions.Primitives",
     "Description": "Primitives shared by framework extensions. Commonly used types include:",