* chore(mlx-lm): fix print_trainable_parameters for quant models
* chore: clean up
* refactor: use layer type to check quant bits
* chore: address comment
* Add --lora-all-linear option to apply LoRa to all linear transfer block layers
* Moved to YAML config and added specification of rank & alpha
* nits in conifg, more tests
* nit
* run tests for prs
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Co-authored-by: Awni Hannun <awni@apple.com>