Linking issue with Boost libraries from Package Managers (vcpkg)

[karlphillip]

I recently had to setup a Windows box for SW development and used vcpkg to install librdkafka and Boost libraries. While building modern-cpp-kafka using the commands below, I ran into a few linking issues on console_clients applications:

set CMAKE_TOOLCHAIN_FILE=C:\Users\Admin\Documents\Workspace\vcpkg\scripts\buildsystems\vcpkg.cmake
cd modern-cpp-kafka
cmake -B build -S . -DCPPKAFKA_ENABLE_TESTS=OFF -A x64
cmake --build build

LINK : fatal error LNK1104: cannot open file 'boost_program_options.lib'

Since CMake now supports imported targets for Boost components (e.g., Boost::program_options), which improves compatibility with package managers like vcpkg and reduces manual configuration, I decided to create a Pull Request to fix this issue for people using package managers:

#250