I recently started writing a new Retype-based document, only this time I noticed that I would benefit from marking each chapter with a number, and each document inside that chapter with numbers as well.

Adding number prefix either in the filename itself, or in the YAML configuration is quite labor intensive, and very prone to errors and churn.

I would love to have the ability to have auto numbering for:

1. Folders
2. Documents
3. And perhaps even H2 captions.

Furthermore, if such a feature is considered, I would also propose to let the user choose between numbering styles:

1. Foundations
   1. Principles
   2. Strategy

or

1. Foundations
   1.1 Principles
   1.2. Strategy

The primary use case of course, is a technical or reference style book, where one might want to refer to a particular paragraph in the book by its section number; "See section 1.2.6".