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knowledge base/ai/README.md

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+# Artificial Intelligence
+
+> TODO
+
+Intro
+
+<!-- Remove this line to uncomment if used
+## Table of contents <!-- omit in toc -->
+
+1. [TL;DR](#tldr)
+1. [Further readings](#further-readings)
+   1. [Sources](#sources)
+
+## TL;DR
+
+TODO
+
+## Further readings
+
+- [Useful AI]: tools, courses, and more, curated and reviewed by experts.
+- [ChatGPT], [Claude], [Copilot], [Duck AI], [Gemini]
+
+### Sources
+
+<!--
+  Reference
+  ═╬═Time══
+  -->
+
+<!-- In-article sections -->
+<!-- Knowledge base -->
+<!-- Files -->
+<!-- Upstream -->
+<!-- Others -->
+[ChatGPT]: https://chatgpt.com/
+[Claude]: https://claude.ai/
+[Copilot]: https://copilot.microsoft.com/
+[Duck AI]: https://duck.ai/c
+[Gemini]: https://gemini.google.com/
+[Useful AI]: https://usefulai.com/