Migration strategies

Options we are evaluating:

add a matrix dendrite homeserver to RC

test with a less crowded RC

migration script in Javascript

candidate: https://git.verdigado.com/NB-Public/rocketchat2matrix

open issues: https://git.verdigado.com/NB-Public/rocketchat2matrix/issues

also available on github (for contribs) https://github.com/verdigado/rocketchat2matrix

looks very promising

write script

write our own script in GO