[doc] DeepSeek V3/R1 news

[binmakeswell]

📌 Checklist before creating the PR

• I have created an issue for this PR for traceability
• The title follows the standard format: [doc/gemini/tensor/...]: A concise description
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• I have installed pre-commit: pip install pre-commit && pre-commit install

🚨 Issue number

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e.g. fixed #1234, closed #1234, resolved #1234

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💥 Checklist before requesting a review

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• My issue clearly describes the problem/feature/proposal, with diagrams/charts/table/code if possible
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• I have added thorough tests.
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Tell us more if you don't enjoy contributing to Colossal-AI.

[MASIHMIRSALI]

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