Allow Markdown parsing in title of reference index

[ryantibs]

In building a reference section, it looks to me like pkgdown supports Markdown in the description (desc) but not the title (title). Is there a particular reason why supporting Markdown in the title is hard/bad?

I think that would be useful. At least in my particular problem at hand, I want to use code style for text in the title. I've tried using explicit html tags as in <code> ... </code>, but that hasn't parsed properly either.

Thanks!

[ryantibs]

Thank you!