README: contributing images and math
For images, it's nice to have also the sources in case someone needs to edit the image later.
For math, these hints should help typesetting math with less pain.
Thanks to @mstoeckl for the KaTeX demo link.
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For images, it's nice to have also the sources in case someone needs to edit the image later.
For math, these hints should help typesetting math with less pain.
Thanks to @mstoeckl for the KaTeX demo link.