Links automatically underlined causing readability issues

[Isaac-Flath]

Links that are automatically created to APL docs based on the symbols are underlined. It would be ideal to turn this off, as equal with an underline looks quite similar to the equal underbar symbol. Epsilon and epsilon underbar also look like the same symbol. This may cause confusion for people new to APL and unfamiliar with the symbols.

To fix this, I think we need to add style="text-decoration: none;" to the hrefs that are auto generated by nbdev index.

I'm looking at how to do that best, My hope is to have autogenerated hrefs from nbdev-index be given a class in html, then have custom css that could be applied to quarto that attaches to that class. That way there is no change to existing functionality, but advanced nbdev users have additional flexibility to style these links however they want.