cubicweb #2827103 Add the maths LaTeX equation support with MathJax when you edit in ReStructuredText. [open]

For instance, the directive :math:`X_t = \sigma f(t)` should display a fancy equation. I propose MathJax. Any other propositions are welcomed.

prioritynormal
typeenhancement
done in<not specified>
load0.500
load left0.500
closed by<not specified>