chore(model): add marco-o1 to the gallery

[mudler]

Description

This pull request includes an update to the gallery/index.yaml file to add a new model entry for "marco-o1". The most important changes include adding the model's metadata, description, and file information.

Addition of new model "marco-o1":

• Added model name "marco-o1" with an icon URL and description. The description highlights the model's focus on both standard disciplines and open-ended resolutions.
• Included URLs for accessing the "marco-o1" model on Hugging Face.
• Added file information for "Marco-o1.Q4_K_M.gguf" including its filename, SHA256 hash, and URI on Hugging Face.

Notes for Reviewers

Signed commits

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