doc: adds todo comment for v2 readers trimming support

Author: baywet

test/Microsoft.OpenApi.Trimming.Tests/Microsoft.OpenApi.Trimming.Tests.csproj

@@ -13,6 +13,7 @@
   <ItemGroup>
     <ProjectReference Include="..\..\src\Microsoft.OpenApi\Microsoft.OpenApi.csproj" />
     <TrimmerRootAssembly Include="Microsoft.OpenApi" />
+    <!-- TODO: include readers dependency when we enable trimming support in v2 -->
   </ItemGroup>
 
 </Project>