Just requested a PR from the Grin community for adding it to Bisq:
https://www.grin-forum.org/t/building-the-first-grin-exchange/311/23?u=manfred_karrer
Of course any Bisq contributor is welcome as well to do that (otherwise I do it myself)!
Also added my thoughts about governance over there:
https://www.grin-forum.org/t/governance-plan/461/23