Support Llama 3.2 conversion (text models) (#33778)
* Support Llama 3.2 conversion (text models)
Co-authored-by: Omar Sanseviero <osanseviero@gmail.com>
* Fix rope factor
* Update chat template
Initialize from a well-known template.
The guidance is that the changes should be applied to 3.1 models as
well.
* Remove import
* Support Llama Guard 3 conversion
* Tokenizer details
* Fix eos added token in base models
* Fix generation config for base models
* Specify revision for known tokenizers
* Style
* Reuse chat templates for older models
* Improve error when converting tokenizer < Llama 3
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Co-authored-by: Omar Sanseviero <osanseviero@gmail.com>
