Forked from mikewootc/md-to-pdf-ng, I've fixed the mermaid support, since it did only generate very basic graphics due to obsolete dependencies. If you installed via npm, run npm i -g md-to-pdf@latest ...

Add mermaid support. Add sample for watermark(see: test/basic/test.md). Add sample header/footer config(see: test/basic/config.js. Should run: md-to-pdf test/basic ...