Dorgygen pulls documentation from source files into org-mode
documents using tree-sitter.  Source code documentation is
embedded in comments with no special markup.  The org document
can contain additional documentation.

Usage: Add a DORG_REX property to an org heading, then M-x dorgygen.
New languages can be added with `dorgygen-add-language'.
See https://github.com/drghirlanda/dorgygen for full documentation.