add ms-swift & llama4 SFT recipe

[Jintao-Huang]

Llama4 is an excellent model, and the open-source announcement is exciting!

ms-swift supports SFT training for Llama4 in this PR and has received an invitation to contribute.😊

This PR contributes a recipe for performing OCR SFT on Llama4 using ms-swift.

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[init27]

@Jintao-Huang tysm for the PR! cc: @wukaixingxp

[Jintao-Huang]

hello! Could you help me review it when you're free?

[wukaixingxp]

Hi! Can you add some test logs showing your PR is fully working? Thanks!