Provided System.Runtime libraries in example are incompatible

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I was able to get this to work on a .NET Framework 4.6.2 Unity game with BepInEx. The provided System.Runtime.CompilerServices.Unsafe.dll references System.Runtime.dll. The library distributed in the repo is a facade which lacks the necessary type declarations. I had to switch to a version of System.Runtime.CompilerServices.Unsafe that referenced mscorlib, which was already present.