chore(model gallery): add agentica-org_deepscaler-1.5b-preview

[mudler]

Description

This pull request includes an update to the gallery/index.yaml file to add a new model entry for agentica-org_deepscaler-1.5b-preview. The most important changes include the addition of metadata, URLs, and file information for the new model.

Additions to gallery/index.yaml:

• Added a new model entry agentica-org_deepscaler-1.5b-preview with metadata including name, icon, and description.
• Included URLs for accessing the model on Hugging Face.
• Provided a description detailing the model's fine-tuning process, performance metrics, and improvements over the base model.
• Added file information for the model, including filename, sha256 hash, and URI.

Notes for Reviewers

Signed commits

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