Partially support OOCv1 shadowsocks server block
Partially support OOCv1 shadowsocks server block

OOCv1: https://github.com/Shadowsocks-NET/OpenOnlineConfig/blob/master/docs/0002-open-online-config-v1-shadowsocks.md

Couldn't support "pluginName" because "plugin" is now used as a path

shadowsocks/shadowsocks-rust,zonyitoo/shadowsocks-rust,shadowsocks/shadowsocks-rust,shadowsocks/shadowsocks-rust,shadowsocks/shadowsocks-rust