Support different configurations per topic#2

Drowze wants to merge 2 commits intoDrowze:karafka-patchesDrowze/dd-trace-rb:karafka-patchesfrom

Over-haul:support-karafka-configuration-per-topic-backportOver-haul/dd-trace-rb:support-karafka-configuration-per-topic-backportCopy head branch name to clipboard