I needed to learn some Latex.
Here is some info about captions - i.e. a figure legends:
https://tex.stackexchange.com/questions/268554/how-to-put-a-legend-under-a-figure
https://www.overleaf.com/help/52-how-do-i-insert-an-image-at-a-specific-point-in-the-document#.Wz9ALxJKhR0
https://www.overleaf.com/17638816rrfvjhxbxqjh#/66943761/
https://www.sharelatex.com/project/515c83650651e57e1975aeb2
Here is the way to have bold and normal text in the caption:
https://tex.stackexchange.com/questions/3276/caption-is-bold-can-i-have-part-of-it-not-bold
Lots about captions here:
http://www.ctex.org/documents/packages/float/caption.pdf
FINAL point:
Making a DOI for my code:
https://guides.github.com/activities/citable-code/
