Matrix chat (clients comparation, proxy setting)

I wanna use matrix just because many people use it.

1. comparation of clients, sorted by satisfaction

💓kde

small but have most of function
fancy scrollbar, can configure proxy in app
wayland support not good: error copying image(like qutebrowser)

I like doing everything in emacs, with keyboard
but it don't work: https://github.com/alphapapa/ement.el/issues/77

HUGE and not fully fonctionall

all-in-one solution, matrix support is not good: cannot show picture
I even don't use it for email(I use Geary)

env: http_proxy

env: https_proxy
accroding to reqwest document

var: plz-curl-default-args