docs: open vsx link

Author: sertanhelvaci

README.md

@@ -91,6 +91,8 @@ ships the same local engine inside the editor, still account-free:
   Cursor, Codex and Windsurf get managed MCP entries plus context hooks, no JSON editing;
 - works on the same `~/.pathrule` store as the CLI: one identity, one knowledge base.
 
+Also on [Open VSX](https://open-vsx.org/extension/pathrule/pathrule-vscode) for Cursor and Windsurf.
+
 ## 🧠 How it works
 
 ```mermaid