Refactor C++ codebase

[Stat1cV01D]

Added a separate cross-platform library loader;
Added clang-format support;
Refactored hostfxr-related code into a dedicated class

[luttje]

It looks like you're still working on it so this may be obvious (in which case ignore it).

Since you're using a submodule to your dependency could you add submodules: 'true' under the actions/checkout workflow.

It looks like the workflow is failing to find your CMakeList because of it.

(I imagine the build would keep failing anyway since the current workflow file doesn't load submodules)

[Stat1cV01D]

Since you're using a submodule to your dependency could you add submodules: 'true' under the actions/checkout workflow.

I haven't had a good chance to work with GitHub's CI, so thank you for the comment.

[luttje]

I'm also still figuring it out so good chance it isn't enough, though looking into the docs it seems that this is the way to fix it.

[github-actions]

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