* Added concumer groups list with search.
* added endpoint for group consumers
* removed redundand code and imports
* changed method to async mono
* method located better
* changes after review
* changed foreach to map
Co-authored-by: Sofia Shnaidman <sshnaidman@provectus.com>
Co-authored-by: Roman Nedzvetskiy <roman@Romans-MacBook-Pro.local>
