Mentioning the language in which the course will be taught

It would be useful to add a 'language of the workshop' to the workshop page. For my next SwC course, I had to specify the language as it is being offered in Argentina in English and I wanted to avoid any confusion: https://malvikasharan.github.io/2018-12-05-quilmes/. I am hoping that with the course materials being translated into different languages, it will become an important feature.

Start by locating the workshop page template used by the workshop-template repository and inspect how workshop details are presented. Add a visible language-of-the-workshop field, then verify that a workshop page can state its teaching language clearly alongside its other details.

Written by the indexing model from the issue text.