Adding `safetensors` variant of this model

Remove deprecated kwargs

Removes unsupported (deprecated and unused) IPUConfig params from older configs (these will raise an error in latest build of Optimum Graphcore) (#2)

Update README.md

Update README.md

Update model description

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Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Add fine-tuned model

initial commit