* all Linux and Windows binaries are currently x64-only, macOS binaries are built for both x64 and arm64
 * filename: <platform>_toolchain_<toolchain-version>_<build-date-and-time>_r<git-rev-list-count>_<git-hash>.zip
 * to identify a toolchain version please use the git hash that corresponds to https://github.com/a2flo/floor