Address Scalings in Dolomite Conversion

[fabianlim]

There are scalings m_emb, m_residual, m_width that are part of Dolomite but not part of standard HF arch,

So when performing export_to_huggingface_llama and import_from_huggingface_llama we need to account fro this caling

• export_to_huggingface_llama done for m_emb, m_residual but not m_width
• import_from_huggingface_llama: not done

the key idea is to absorb the constant into specific parts of the weights. But the dififculty with m_width is that the lm_head is tied.

But this is a demo of how these match