The "documentation" section is simply a list of URIs for any kind of documentation that maintainers want to provide to the community (project adopters, contributors, security researchers, etc.).
documentation:
- http://foo.bar/wikiThis section is not required. It is an array containing links to the project documentation (docs, wiki, etc.). Every item must be a string that meets the IRI standard (RFC 3987) and begin with https://.