transformers safetensors mistral text-generation merge mergekit lazymergekit neph1/bellman-7b-mistral-instruct-v0.2 base_model:neph1/bellman-7b-mistral-instruct-v0.2 base_model:finetune:neph1/bellman-7b-mistral-instruct-v0.2 autotrain_compatible text-generation-inference endpoints_compatible region:us