Introduction of an additional option to include IL CODE

Visual Studio >= 2019

I am sure that this has been requested before but I could not find any issue for this.
The request is about if it is possible to introduce an additional step, similar to where we arr able to include IL code into the msbuild chain?

Currently you have to either create your own assembly to insert IL code or you have to weave in in afterwards. Additionally the project system does currently not recognize ilproj which is often used in your own repo.

So it would be nice if the project system does recognize the ilproj and additionally if we can weaveink directly IL code directly into a C# or any other .NET project. Since I am a C# guy a C# project id sufficient for me, but I assume othersdo not agree having it made possible in C# only.