automates the creation of python matplotlib plots for usage in book projects (latex, html, etc) projects
follows the media-gen-plugin interface defined in https://github.com/************/media-gen/tree/1.1/readme.md#media-gen-plugin see that page for installation and usage instructions.
on make every .py file insinde in/ will be transformed into a png file at out/
those .py files must contain an interface as specified in shared.py.
if you need more complex relationships between output and input ( ex: 1 file generates 2 figures ) you may want to create a custom makefile