This option allows users to specify where they want assets to be loaded
from, like the "assets_dir" option that already exists for frps. This
allows library users to use the admin panel without having to bundle
assets with statik.

English Grammar Typo

Proxy names specified in 'start' params divided by ',' will be started.
If it is empty or not defined, all proxies will be started.

if login_fail_exit is false, when frpc first login to server failed, it
    will continues relogin to server every 30 seconds.