transformers gguf merge mergekit lazymergekit paulml/OmniBeagleMBX-v3-7B flemmingmiguel/MBX-7B-v3 en base_model:paulml/OmniBeagleSquaredMBX-v3-7B-v2 base_model:quantized:paulml/OmniBeagleSquaredMBX-v3-7B-v2 license:cc-by-nc-4.0 endpoints_compatible region:us