Merge pull request #1349 from microsoft/butfix/readme-file-path

- fixes readme path to the correct hidi readme

Author: baywet

src/Microsoft.OpenApi.Hidi/Microsoft.OpenApi.Hidi.csproj

@@ -69,7 +69,7 @@
     <!-- End Unit test Internals -->
 
   <ItemGroup>
-    <None Include="../../readme.md" Pack="true" PackagePath="" />
+    <None Include="./readme.md" Pack="true" PackagePath="" />
   </ItemGroup>
 
 </Project>