docs(readme): add Windows disclaimer and DeepWiki link

- Add disclaimer: macOS user, Windows commands untested
- Invite Windows users to contribute fixes
- Add DeepWiki link for AI-powered repo exploration

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

README.md

@@ -23,6 +23,8 @@ A significant source of inspiration for this work was [Claudelog.com](https://cl
 
 **Important note**: This guide was largely generated with the help of AI. As such, it likely contains errors, inaccuracies, or outdated information. I would be delighted to receive any feedback, corrections, or — even better — pull requests to improve it. Don't hesitate to [open an issue](../../issues) or submit a PR!
 
+**Windows disclaimer**: I work on macOS and have not tested the Windows-specific commands (PowerShell, batch files, paths). Windows instructions were generated with AI assistance. If you encounter issues, please open an issue or PR — contributions from Windows users are especially welcome!
+
 **Language**: I wrote this guide in English by default to reach a wider audience, but French is my native language. I could easily translate it to French myself, or leverage AI and community contributions for other languages. Let me know if translations would be useful!
 
 If you find value in this guide, have questions, or want to discuss Claude Code practices, feel free to reach out on [LinkedIn](https://www.linkedin.com/in/florian-bruniaux-43408b83/).
@@ -162,6 +164,9 @@ Want to know if your Claude Code setup follows best practices?
 
 ## Resources
 
+### Explore This Guide
+- [DeepWiki](https://deepwiki.com/FlorianBruniaux/claude-code-ultimate-guide) — AI-powered exploration of this repository (ask questions, get summaries)
+
 ### Official
 - [Claude Code Documentation](https://docs.anthropic.com/en/docs/claude-code) — Official Anthropic docs