Follow compendium architecture

[MKLau]

https://github.com/ropensci/rrrpkg

[benmarwick]

Current citable version of this essay is here: https://doi.org/10.7287/peerj.preprints.3192v2

[MKLau]

Ah thanks for this. It's been on my reading list since last fall. I'll give it a read tomorrow.