* feat(gguf): add falcon q2 k * fix(gguf): remove useless renaming * feat(gguf): seperate falcon 7b and 40b * feat(gguf): apply fixup * fix(test): error rebase * feat(gguf): add fp16 weight comparison for falcon * feat(gguf): test weight of all layers * test(gguf): add falcon 40b under skip decorator * feat(gguf): quick example for extracting model size