transformers gguf mergekit merge en base_model:DavidAU/MN-Instruct-2407-14.7B-BRAINSTORM-10x-FORM-3 base_model:quantized:DavidAU/MN-Instruct-2407-14.7B-BRAINSTORM-10x-FORM-3 endpoints_compatible region:us imatrix conversational