Adds vcpkg setup for Arch Linux and Windows CI jobs. This ensures consistent dependency management and builds via Vcpkg for both platforms and enables OMath to build via vcpkg. Clones the vcpkg repository and bootstraps it during the job execution.
switched to clang Update cmake-multi-platform.yml Update cmake-multi-platform.yml Update cmake-multi-platform.yml Update cmake-multi-platform.yml Update cmake-multi-platform.yml Update cmake-multi-platform.yml Update cmake-multi-platform.yml Update cmake-multi-platform.yml added runtime dir fix
