chore(model gallery): add dolphin3.0-llama3.2-1b

[mudler]

Description

This pull request includes an addition to the gallery/index.yaml file, introducing a new model entry for Dolphin 3.0. The most important changes include adding the model's metadata, description, and associated files.

Key changes:

• Added new model entry for Dolphin 3.0, including its name, URL, icon, and description.
• Included multiple URLs for the Dolphin 3.0 model on Hugging Face.
• Provided a detailed description highlighting the model's purpose, capabilities, and advantages over other models.
• Added overrides for model parameters and listed associated files with their respective sha256 and URI.

Notes for Reviewers

Signed commits

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