Add more examples about gaiman HOT 2 OPEN

async function list_directory(user, repo, directory) {
  const url = `https://api.github.com/repos/${user}/${repo}/git/trees/master`;
  directory = directory.split('/').filter(Boolean);
  const dir = await directory.reduce(async (acc, dir) => {
      const { url } = await acc;
      const list = await fetch(url).then(res => res.json());
      return list.tree.find(node => node.path === dir);
  }, { url });
  if (dir) {
     const list = await fetch(dir.url).then(res => res.json());
     return list.tree.map(node => node.path);
  }
}