Create builds using github actions

[ScanMountGoat]

Improving the compatibility for windows and linux binaries will require building through github actions. This avoids issues with native dependencies using newer Rust runtime components like glibc that may not work with some operating systems.

• [x] SmashArcNet submodule
• [x] Properly copy dll/so files to build directory for ArcExplorer
• [ ] Build windows with github actions
• [ ] Build linux with github actions
• [ ] Build macos with github actions

[ScanMountGoat]

It should just be a matter of figuring out the command line arguments to dotnet to publish to a single trimmed executable and create the github action. https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-net