Document `PreferenceDomainBuilder` in release notes
Document `PreferenceDomainBuilder` in release notes

tajinder-txstate/lenskit,kluver/lenskit,vijayvani/Lenskit,aglne/lenskit,blankazucenalg/lenskit,chrysalag/lenskit,vaibhav345/lenskit,tajinder-txstate/lenskit,linjunleo/lenskit,tajinder-txstate/lenskit,kluver/lenskit,vaibhav345/lenskit,martinlaz/lenskit,chrysalag/lenskit,kluver/lenskit,martinlaz/lenskit,kluver/lenskit,blankazucenalg/lenskit,vaibhav345/lenskit,amaliujia/lenskit,binweiwu/lenskit,binweiwu/lenskit,vaibhav345/lenskit,tajinder-txstate/lenskit,aglne/lenskit,kluver/lenskit,linjunleo/lenskit,amaliujia/lenskit,vijayvani/Lenskit