unsloth studio update

This release focuses heavily on bug fixes and significant UX/UI improvements within Unsloth Studio, alongside performance enhancements for MTP and better offline environment variable handling.

This release introduces powerful local LLM integration via a self-hosted API endpoint supporting advanced tooling, code execution, and web search. Numerous bug fixes were applied across the Studio UI, training stability (DPO hangs), and installation scripts.

This release significantly improves tool call accuracy and reliability across models, introduces features like custom folders and preliminary multi-GPU support, and resolves numerous stability and installation issues across platforms.