You can start with the link below, it is a little outdated by now but if you take some time to investigate what is in those flows first we can take it from there.
PS, just to make sure: this is all at your own risk, non of this is production ready. That said, there are tons of interesting ideas in there, I tried to structure it in separate blocks that encapsulate different functionalities.
PPS: please upvote making DESS a top level topic here: Can we make DESS dedicated top level category? - #9 by UpCycleElectric