README: link to the articles on Medium

README.md

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 Agent Skill for Archify diagrams and models as read by the [Archify Diagram Viewer](https://marketplace.visualstudio.com/items?itemName=root-at-skic.archify-vscode-ext) VS Code extension: how to write `.archify` diagrams (architecture, workflow, sequence, dataflow, lifecycle), how to put them together as a model (`main.archify`, shared elements in `*.archify-registry` files, `ref:` components, `diagram:` links, C4-style folders), and tasks that validate, list, scaffold, resolve and render them. The Archify validator and renderer (MIT, by tt-a1i) are bundled under `scripts/vendor`, so nothing else needs to be installed.
 
+How the skill and an agent keep a model together, with examples: [articles on Medium](https://medium.com/@root.at.skic).
+
 ## Install and update
 
 One command, any agent (Claude Code, Codex, Copilot, Cline, …):