feat(formatTree): support max depth

[Plumbiu]

🔗 Linked issue

❓ Type of change

• 📖 Documentation (updates to the documentation, readme, or JSdoc annotations)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

This PR is add max depth for formatTree:

console.log(formatTree(tree, {  depth: 2 }))
console.log(formatTree(tree, {
  depth: 2,
  ellipsis: '---',
}))

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.