[asdf-devel] [RfC] default value for *central-registry*

I hate that I have to push a commonly shared directory onto *central-registry* for each implementation and thus have to know the rc files of every implementation. (I was recently bidden by some classic rm -rf ~, and had to redo all these kinds of infrastructure woes.) Would anyone mind ASDF coming with an additional default value of ~/.asdf/systems/? -T.