quantize: Handle user-defined quantization levels for additional tensors (#12511)

quantize: Handle user-defined quantization levels for additional tensors (#12511)

* Add llama_model_quantize_params parameters

* Add new quantize parameters parsing and validation

* Update usage

* Add new parameters defaults

* Add new quantization parameters logic

* Add llama_model_quantize_params parameters

* Add new quantize parameters parsing and validation

* Update usage

* Add new parameters defaults

* Add new quantization parameters logic

* Minor refactoring as per the contributors' coding guidelines

* Update descriptions to match existing style

* Add llama_model_quantize_params parameters

* Add new quantize parameters parsing and validation

* Update usage

* Add new parameters defaults

* Add new quantization parameters logic

* Minor refactoring as per the contributors' guidelines

* Implement general --tensor-type instead of tensor-specific command option

* Fix implied type bug

* Restore missing #includes

* Add regex capability for tensor selection

* Refactor function name and update ALLOWED_TENSOR_TYPE

* Add missing #include

* Handle edge case when tensor name is cls.output

* Minor logging improvement