chore(model): add llama-doctor-3.2-3b-instruct to the gallery

[mudler]

Description

This pull request includes an update to the gallery/index.yaml file to add a new model entry for llama-doctor-3.2-3b-instruct. The most important changes include adding the model's name, URLs, description, overrides, and file details.

Additions to gallery/index.yaml:

• Added a new model entry for llama-doctor-3.2-3b-instruct with its name, URLs, and description.
• Included overrides for the model parameters specifying Llama-Doctor-3.2-3B-Instruct-Q4_K_M.gguf.
• Added file details for Llama-Doctor-3.2-3B-Instruct-Q4_K_M.gguf including filename, sha256, and URI.

Notes for Reviewers

Signed commits

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