add client

{{if eq true .isAdmin}} {{if eq true .allow_flow_limit}}
unit: M
{{end}} {{if eq true .allow_rate_limit}}
unit: KB/S
{{end}} {{if eq true .allow_connection_num_limit}}
{{end}} {{if eq true .allow_tunnel_num_limit}}
{{end}} {{end}}
only socks5 , web, HTTP forward proxy
only socks5 , web, HTTP forward proxy
{{if eq true .isAdmin}}
unique, non-filling will be generated automatically
{{end}} {{if eq true .allow_user_login}} {{if or (eq true .allow_user_change_username) (eq true .isAdmin)}}
{{end}}
{{end}}