Setting up CI for testing library support for Windows

[SDGGiesbrecht (Jeremy David Giesbrecht)]

This other thread contains some more information for anyone wanting to stick to the stable 5.3 release:

Manually integrating Swift packages?

I apologize if this has been discussed - I've attempted to read through existing threads, but haven't found anything directly addressing Swift package integration on Windows. With SPM not yet available in the toolchain but a desire to begin testing packages for compatibility, is there a way to "manually" build and link packages for Windows? IE: If you pull the source from Git, can you place it relative to a project and somehow point the build system to that folder? I'm confident I'm misusing t…