feat/implemented copy code functionality in the CodeViewer component

[subhraneel2005]

Previously -> No copy code button inside the SandBox Code Editor

Now -> Added a copy code button, that copies the generated code

Demo video:

https://github.com/user-attachments/assets/389884ca-2da0-421e-96c7-3437caf30024

[vercel[bot]]

@subhraneel2005 is attempting to deploy a commit to the Together AI Team on Vercel.

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