This looks great, thanks for sharing! It took me a minute to figure out exactly what the usefulness of this project is. I suggest emphasizing that this enables

This looks great, thanks for sharing! It took me a minute to figure out exactly what the usefulness of this project is. I suggest emphasizing that this enables you to include content from external files in a markdown document and keep it updated. Once I saw how easy it was to include the source code of a specific function from an external file, I was sold! (Edit: clarifying)