fix: mitigate include and library path issues under Windows in setup.py

[Novare]

This is a "fix" to issue #101. It edits the README to tell users installing this on Windows to add their Visual Studio installation paths to the setup.py. These are then automatically searched during compilation and linking. This fixed all issues related to external libraries on Windows for me.

[codecov-io]

Codecov Report

Merging #103 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master   #103   +/-   ##
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  Coverage     100%   100%           
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  Files          15     15           
  Lines         143    143           
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  Hits          143    143

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[rusty1s]

Great work, but do we really need to separate between cxx and nvcc for linker arguments?

[Novare]

Great work, but do we really need to separate between cxx and nvcc for linker arguments?

Probably not, as far as I know only the compilers differ when building C++ or CUDA on Windows, for linking both use link.exe. I think it is more intuitive to differentiate the two since we also have different compile flags for both and it might be neccessary to use different linker flags in the future, but I can unify this to one linker flag list for now if you want to.

[rusty1s]

I was just curious. Your explanation makes sense. I will merge :)