support LaTeX math mode for users

[sa-wetter]

Rationale / Begründung

Scientists would like to use LaTeX math mode to add special characters for data set names and in text boxes

Affected

users are affected

Minimal functionality

have RDMO recognise strings inbetween $ $ as LaTeX math mode

Nice-to-have functionality

test the export functionality to ensure consistency

References / Verweise

[jochenklar]

I think people use https://www.mathjax.org for this.