chore(agentflow): update ESLint configuration to include root and markdown plugin

Author: jocelynlin-wd

packages/agentflow/.eslintrc.js

@@ -7,14 +7,16 @@ const crossFeatureRules = features.map((feature) => ({
 }))
 
 module.exports = {
+    root: true,
     extends: [
         'eslint:recommended',
+        'plugin:markdown/recommended',
         'plugin:react/recommended',
         'plugin:react/jsx-runtime',
         'plugin:react-hooks/recommended',
         'plugin:jsx-a11y/recommended',
-        'plugin:@typescript-eslint/recommended',
-        'plugin:prettier/recommended'
+        'plugin:prettier/recommended',
+        'plugin:@typescript-eslint/recommended'
     ],
     parser: '@typescript-eslint/parser',
     parserOptions: {