community[minor]: add exllamav2 library for GPTQ & EXL2 models (#17817)
Added 3 files :
- Library : ExLlamaV2
- Test integration
- Notebook
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Co-authored-by: Bagatur <baskaryan@gmail.com>
Co-authored-by: Bagatur <22008038+baskaryan@users.noreply.github.com>