Support for Phi-3 models

**Note: This issue was copied from [https://github.com/ggml-org/llama.cpp/issues/6849](https://github.com/ggml-org/llama.cpp/issues/6849)**

**Original Author:** @criminact
**Original Issue Number:** #6849
**Created:** 2024-04-23T15:22:53Z

---

Microsoft recently released Phi-3 models in 3 variants (mini, small & medium). Can we add support for this new family of models. 