Update extension examples (#16274)

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

eslint.config.js

@@ -301,6 +301,16 @@ export default tseslint.config(
       '@typescript-eslint/no-require-imports': 'off',
     },
   },
+  // Examples should have access to standard globals like fetch
+  {
+    files: ['packages/cli/src/commands/extensions/examples/**/*.js'],
+    languageOptions: {
+      globals: {
+        ...globals.node,
+        fetch: 'readonly',
+      },
+    },
+  },
   // extra settings for scripts that we run directly with node
   {
     files: ['packages/vscode-ide-companion/scripts/**/*.js'],