rnacos 0.8.3

Nacos server re-implemented in Rust.
Documentation
syntax = "proto3";

package service_meta;

message InstanceMetaDo {
    string namespace_id = 1;
    string group_name = 2;
    string service_name = 3;
    string ip = 4;
    uint32 port = 5;
    map<string, string> metadata = 6;
}

message InstanceFileDo {
    string namespace_id = 1;
    string group_name = 2;
    string service_name = 3;
    string file_name = 4;
}