Add Fun-ASR-Nano to MLLM list

[LauraGPT]

Summary

• Add Fun-ASR-Nano-2512 to the Multimodal Instruction Tuning / latest works table.
• Link the entry to the Fun-ASR GitHub repository and the Hugging Face model page.
• Keep the row in date order between the 2025-12-18 and 2025-12-11 entries.

Closes #276.

Validation

• patch-equivalently rebased onto upstream main 2d26f04c6756; 0 commits behind
• exact head 53408e6af3d4; final diff is README.md +1/-0
• stable patch-id is unchanged and git diff --check passes
• the Fun-ASR-Nano row is present exactly once and has the expected five-column table shape
• neighboring dates remain 2025-12-18, 2025-12-15, and 2025-12-11
• the upstream Seed2.0 addition and OmniVideo-100K badge correction are preserved
• the star badge, GitHub repository, Hugging Face page, and Hugging Face model API each return HTTP 200

[LauraGPT]

Current validation for review:

Changed files: README.md only
Diff size: +1 / -0
PR state: open, non-draft=True, mergeable=True, mergeable_state=clean
Head checked: f550e17a
Local worktree: clean
Validation: git diff --check upstream/main...HEAD -> pass
Added-line links checked:
- https://img.shields.io/github/stars/FunAudioLLM/Fun-ASR.svg?style=social&label=Star -> 200
- https://huggingface.co/FunAudioLLM/Fun-ASR-Nano-2512 -> 200
- https://github.com/FunAudioLLM/Fun-ASR -> 200

This is a one-line README entry for Fun-ASR-Nano, with no generated files or code changes.

[LauraGPT]

@BradyFU, this entry remains current and ready for review. Exact head 53408e6af3d4 is 0 commits behind and changes one README row for Fun-ASR-Nano; the GitHub, Hugging Face model, and star-badge targets all resolve successfully. GitHub reports the PR clean and mergeable.