Use 'Topics' in all our repos and use them to populate the README here.

[ateucher]

Then we wouldn't have to do anything to the .Rmd file when we add new repositories, just re-render and push

https://developer.github.com/v3/orgs/teams/#list-team-repos

https://help.github.com/articles/classifying-your-repository-with-topics/

https://help.github.com/articles/searching-repositories/#search-within-a-users-or-organizations-repositories

https://help.github.com/articles/searching-repositories/#search-by-repository-topic