transformers safetensors mistral text-generation conversational dataset:fka/awesome-chatgpt-prompts base_model:unsloth/mistral-7b-instruct-v0.2-bnb-4bit base_model:quantized:unsloth/mistral-7b-instruct-v0.2-bnb-4bit autotrain_compatible text-generation-inference endpoints_compatible 4-bit bitsandbytes region:us