support setting headers in http request
frps dashboard add stcp
proxy, fix #776
return error quickly if nathole make error
update dashboard ui
move some packages to golib (https://github.com/fatedier/golib)
typo fix
doc: update
http port and https port can be same with frps bind_port
Update frps_full.ini
port
frpc: support connectiong frps by socks5 proxy