Update README and model.py for Nvidia GPU support

[ericcurtin]

README.md: Updated the Nvidia GPU (cuda) status to ✅ indicating support. model.py: Added logic to handle CUDA_VISIBLE_DEVICES, returning the corresponding quay.io/ramalama/cuda:latest image.

Summary by Sourcery

New Features:

• Nvidia GPUs are now supported.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request adds support for Nvidia GPUs by updating the model.py file to handle CUDA_VISIBLE_DEVICES and updating the README.md file to reflect the new support.

Sequence diagram for GPU type detection and image selection

sequenceDiagram
    participant Client
    participant Model
    participant GPUDetector

Client->>Model: _image(args)
Model->>GPUDetector: get_gpu()
GPUDetector-->>Model: Return gpu_type
Note over Model: Check GPU type
alt gpu_type is HIP_VISIBLE_DEVICES
    Model-->>Client: Return rocm image
else gpu_type is CUDA_VISIBLE_DEVICES
    Model-->>Client: Return cuda image
else gpu_type is ASAHI_VISIBLE_DEVICES
    Model-->>Client: Return asahi image
else no specific GPU type
    Model-->>Client: Return default image
end

Loading

File-Level Changes

Change	Details	Files
Added support for Nvidia GPUs.	Added logic to handle CUDA_VISIBLE_DEVICES and return quay.io/ramalama/cuda:latest image.	ramalama/model.py
Updated documentation to reflect Nvidia GPU support.	Updated Nvidia GPU status to ✅ indicating support.	README.md

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[ericcurtin]

Once we merge:

#452

and we rebuild all the containers, this can go in.

[sourcery-ai]

Hey @ericcurtin - I've reviewed your changes - here's some feedback:

Overall Comments:

• Please use elif instead of else if in model.py - this is the correct Python syntax

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[rhatdan]

LGTM