* add mamba architecture for gguf * add logic for weights conversion, some fixes and refactoring * add lm_head layers, unit test refactoring * more fixes for tests * remove lm_head creation * remove unused comments
* add mamba architecture for gguf * add logic for weights conversion, some fixes and refactoring * add lm_head layers, unit test refactoring * more fixes for tests * remove lm_head creation * remove unused comments