[Icon Request]: <toon>

### Icon Type - [ ] 📁 Folder - [x] 📄 File ### Folder names _No response_ ### File names *.toon ### Graphic ideas **Icon URL:** https://avatars.githubusercontent.com/u/241380424?s=48&v=4 ### Additional context **GitHub repo:** https://github.com/toon-format/toon Token-Oriented Object Notation (TOON) is a data serialization format for LLMs and is increasingly used in VS Code, so having a recognizable file icon for .toon files would improve the developer experience. ### Code of Conduct - [x] I agree to follow this project's **Code of Conduct**