prompt: Your task is to convert the following English description into an ASCII tree format.
  
  rules is a core directory that incorporates 2 subdirectories: node_modules and npm.
  At the main level, 'node_modules' maintains 2 packages: markdownlint-rule-sample-commonjs, markdownlint-rule-sample-module.
  In nested path 'node_modules > markdownlint-rule-sample-commonjs', The 'markdownlint-rule-sample-commonjs' storage space lacks any subdirectories.
  At level 2, in directory path 'node_modules > markdownlint-rule-sample-module', 'markdownlint-rule-sample-module' is an empty container.
  Back to the top level.
  In the root directory, The 'npm' container has no folders inside.
  
  
  Format your response in this style:
  ```
  image-optimizer
   +--app
   |   +--pages
   |   |   `--api
   |   |       `--stateful
   |   `--public
   `--test
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "rules\n +--node_modules\n |   +--markdownlint-rule-sample-commonjs\n |   `--markdownlint-rule-sample-module\n `--npm", "description": "rules is a core directory that incorporates 2 subdirectories: node_modules and npm.\nAt the main level, 'node_modules' maintains 2 packages: markdownlint-rule-sample-commonjs, markdownlint-rule-sample-module.\nIn nested path 'node_modules > markdownlint-rule-sample-commonjs', The 'markdownlint-rule-sample-commonjs' storage space lacks any subdirectories.\nAt level 2, in directory path 'node_modules > markdownlint-rule-sample-module', 'markdownlint-rule-sample-module' is an empty container.\nBack to the top level.\nIn the root directory, The 'npm' container has no folders inside.\n"}