[DOC] Add link to PR's for every feature
[DOC] Add link to PR's for every feature

This makes it easier to navigate to a feature to see its implementation
and additional context.

davidpett/data,workmanw/data,ryanpatrickcook/data,nickiaconis/data,rtablada/data,courajs/data,davidpett/data,ryanpatrickcook/data,rtablada/data,HeroicEric/data,arenoir/data,wecc/data,davidpett/data,nickiaconis/data,wecc/data,arenoir/data,courajs/data,tarzan/data,workmanw/data,swarmbox/data,workmanw/data,HeroicEric/data,courajs/data,arenoir/data,swarmbox/data,swarmbox/data,HeroicEric/data,wecc/data,rtablada/data,swarmbox/data,davidpett/data,courajs/data,arenoir/data,tarzan/data,ryanpatrickcook/data,rtablada/data,nickiaconis/data,ryanpatrickcook/data,HeroicEric/data,workmanw/data,tarzan/data,nickiaconis/data,wecc/data,tarzan/data