Missing Linux C++ Runtime Library in `librdkafka.redist` NuGet Package

[marcin-krystianc]

Hi team,

I'm using the librdkafka.redist NuGet package and observed that while it includes the C++ header rdkafkacpp.h (needed for C++ development on all platforms) and the Windows C++ runtime DLL (librdkafkacpp.dll), it does not seem to include the equivalent shared library required for C++ applications on Linux (e.g., librdkafkacpp.so).

Is this difference in included runtime artifacts between Windows and Linux intentional? Or could this be an oversight in the package definition?

If adding the Linux C++ runtime library is appropriate for this package, I'd be happy to look into submitting a PR to include it. Please let me know your thoughts.