本仓库只是把config模块从karaf中抽离出来,删除了其他用不到proto定义.
go get -u github.com/go-kratos/kratos/contrib/config/kubernetes/v2
go get -u github.com/go-kratos/kratos/contrib/config/apollo/v2
go get -u github.com/go-kratos/kratos/contrib/config/etcd/v2
go get -u github.com/go-kratos/kratos/contrib/config/nacos/v2