actually most of the recommendations in this document should be generalised as JavaScript guidelines - naming of component files and JSX files should probably sit alongside general advice for naming JavaScript files, that advice and advice on Redux could also be applicable in non-React apps. So what should probably happen is that any React-specific advice should form a section in a general document on JavaScript advice.
Rationale here: https://github.com/canonical-webteam/practices/pull/106#discussion_r235654424