Add model card with description and usage examples

README.md

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 # Llama 2 7B  Vanilla
 
-This is the base [**Llama 2 7B**](https://huggingface.co/meta-llama/Llama-2-7b-hf) model fine-tuned as the vanilla (unmodified) baseline, trained and evaluated in the paper [ASIDE: Architectural Separation of Instructions and Data in Language Models](https://openreview.net/forum?id=C81TnwHiRM).
+This is the [**Llama 2 7B**](https://huggingface.co/meta-llama/Llama-2-7b-hf) model fine-tuned as the vanilla (unmodified) baseline, trained and evaluated in the paper [ASIDE: Architectural Separation of Instructions and Data in Language Models](https://openreview.net/forum?id=C81TnwHiRM).
 
 ## Model Description
 This is the vanilla (unmodified) baseline fine-tuned with the same training data and procedure, but without any embedding modification.