fix: mark with-deps example as private, update changelog

packages/coding-agent/examples/extensions/claude-rules.ts

@@ -17,9 +17,9 @@
  * 3. Add .md files with your rules
  */
 
-import type { ExtensionAPI } from "@mariozechner/pi-coding-agent";
 import * as fs from "node:fs";
 import * as path from "node:path";
+import type { ExtensionAPI } from "@mariozechner/pi-coding-agent";
 
 /**
  * Recursively find all .md files in a directory

packages/coding-agent/examples/extensions/with-deps/package.json

@@ -1,5 +1,6 @@
 {
   "name": "pi-extension-with-deps",
+  "private": true,
   "version": "1.0.0",
   "type": "module",
   "pi": {