fujitani sora

Auto-detect remote's default branch in `nb remote set`

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## Summary This PR fixes the issue where `nb remote set` defaults to `master` branch even when the remote repository's default branch is `main`. Fixes #61 ## Problem When running...

Add Ray DSL Viewer extension

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## Summary Ray DSL Viewer is a Raycast extension that provides instant preview for Markdown and Mermaid diagrams. ### Features - **Markdown Preview**: Render Markdown content with full formatting support...