transformers gguf merge mergekit lazymergekit mlabonne/NeuralOmniBeagle-7B flemmingmiguel/MBX-7B-v3 en base_model:paulml/NeuralOmniBeagleMBX-v3-7B base_model:quantized:paulml/NeuralOmniBeagleMBX-v3-7B license:cc-by-nc-4.0 endpoints_compatible region:us imatrix