[Recipes][LLM PTQ] Add nvfp4 MSE+FP8-cast-KV recipes (experts_only / mlp_only) + --recipe in example scripts#1391

cjluo-nv wants to merge 5 commits into

mainNVIDIA/Model-Optimizer:mainfrom

chenjiel/recipe-nvfp4-experts-mse-fp8-cast-kvNVIDIA/Model-Optimizer:chenjiel/recipe-nvfp4-experts-mse-fp8-cast-kvCopy head branch name to clipboard